OpenAI & ChatGPT Timeline: GPT Release Dates to GPT-6.1 (2026)

Track every major GPT and ChatGPT release date, including GPT-1, GPT-4, GPT-5, GPT-5.6, GPT-6.1 Astra/Sol/Luna, Codex, Sora, GPT Image 2.5, and OpenAI milestones.

ChatGPT launched on November 30, 2022, as OpenAI’s public AI assistant. This timeline tracks the GPT models and product releases that shaped ChatGPT, from GPT-1 and GPT-3 to GPT-4, GPT-5, GPT-5.6, GPT-6, Codex, and Sora.

The quick release table below lists the main model and product dates. The year-by-year timeline adds launches, access changes, APIs, subscriptions, safety updates, and other events from 2018 to the present.

OpenAI’s latest general-purpose model is GPT-6.1 Sol, announced at DevDay on September 29, 2026. The release improves coding, computer use, professional work, and factual accuracy over GPT-6 Sol.

GPT-6 Astra is OpenAI’s most capable model across the family. GPT-6.1 Sol approaches Astra on several evaluations at lower cost, while GPT-6 Luna remains the fastest and least expensive GPT-6 model.

Last updated: September 29, 2026

GPT Model and ChatGPT Release Dates

Model or ProductRelease DateKey Highlight
GPT-6.1 SolSeptember 29, 2026Upgrade to GPT-6 Sol for coding, computer use, professional work, and factual accuracy; available in ChatGPT Work, Codex, and the API.
DotsSeptember 29, 2026Always-on GPT-6 Astra agents with a cloud computer, connected apps, action controls, and a limited plan rollout.
ChatGPT SpaceSeptember 29, 2026Shared pages and files for collaboration with teammates, ChatGPT, Codex, and dots on eligible plans.
GPT-6 Astra Ultrafast and Pro 500September 29, 2026Premium speed tier for eligible API and Pro 500 or Enterprise users; the new Pro 500 plan costs $500 per month.
DevDay developer and plugin updatesSeptember 29, 2026Agents API computer use, cloud Codex, Codex Security Cloud, plugin extensions, and Sites plugin hosting.
Sign in with ChatGPT and MarketplaceSeptember 29, 2026Eligible Plus and Pro users can use plan allowances in participating apps; eligible enterprises can apply commitments to partner products.
GPT-6 Sol and GPT-6 LunaSeptember 22, 2026Faster, lower-cost GPT-6 models for professional work, coding, computer use, and high-volume applications.
Agents APISeptember 10, 2026Public beta API for building and running cloud agents with OpenAI’s managed Codex harness, sandboxes, tools, and optional subagents.
GPT-Live-1 in the APISeptember 10, 2026Full-duplex voice model for natural voice agents, available in the API at $0.05 per minute for the front-end voice layer.
ChatGPT for Financial ServicesSeptember 10, 2026Tailored ChatGPT Work experience for eligible financial institutions, with GPT-6 Astra, built-in financial data, and enterprise controls.
Data agent in ChatGPT WorkSeptember 10, 2026Plugin that connects approved company data to analysis, interactive dashboards, and approved actions.
ChatGPT Images 2.5September 8, 2026New image model with sharper details, faster generation, more precise editing, Sketch, templates, image comments, and prompt sharing.
GPT-6 AstraSeptember 3, 2026Frontier model for computer use, browsing, software engineering, science, professional work, and cybersecurity, with an initial limited rollout.
Daybreak for Frontline DefendersSeptember 3, 2026$1 billion commitment for subsidized Daybreak access, training, technical support, and partnerships for defenders of essential services.
ChatGPT for Healthcare connectionsSeptember 1, 2026Epic integration and a Healthcare Public Data plugin for authorized patient context and structured information from nine official sources.
ChatGPT for TeensAugust 18, 2026Learning-focused ChatGPT experience for teens with stronger default protections, parent controls, and healthy-use features.
GPT-5.6 Sol Ultrafast mode previewAugust 13, 2026Preview mode that runs GPT-5.6 Sol at up to 14 times the speed.
ChatGPT Computer HistoryAugust 13, 2026Optional desktop feature that turns activity across selected apps and websites into memories and a timeline for future chats.
GPT-5.6-Cyber and expanded Daybreak accessAugust 10, 2026Cybersecurity-specific model for approved Daybreak Red users, plus Daybreak Blue access to GPT-5.6 Sol for authorized defensive work.
GPT-5.6 Sol and Luna in ChatGPTAugust 6, 2026More focused GPT-5.6 Sol answers for Plus and Pro users, plus broader GPT-5.6 Luna access and unlimited text chats for Free and Go users.
OpenAI PresenceJuly 22, 2026Enterprise product for deploying and improving voice and chat agents under company policies, permissions, and approval controls.
GPT-5.6 Sol, Terra, and LunaJune 27, 2026Limited preview of the GPT-5.6 series, with new Sol, Terra, and Luna capability tiers.
GPT-5.5April 23, 2026Frontier model for coding, research, computer use, documents, spreadsheets, and long-running work.
ChatGPT Images 2.0April 21, 2026New ChatGPT image generation experience and model generation.
GPT-5.4 mini and nanoMarch 17, 2026Smaller GPT-5.4 models for faster and lower-cost workloads.
GPT-5.4March 5, 2026Frontier model for professional work across reasoning, coding, agents, and tool use.
GPT-5.3-Codex-SparkFebruary 12, 2026Ultra-fast research preview model for real-time coding in Codex.
GPT-5.3-CodexFebruary 5, 2026Agentic coding model for professional software and computer-based work.
GPT-5.2-CodexDecember 18, 2025Agentic coding model for complex software engineering and defensive cybersecurity.
GPT Image 1.5December 16, 2025Improved ChatGPT Images model with faster generation and stronger editing.
GPT-5.2December 11, 2025Frontier model series for professional knowledge work and long-running agents.
GPT-5.1November 12, 2025ChatGPT update with GPT-5.1 Instant and GPT-5.1 Thinking.
Sora 2September 30, 2025Video and audio generation model with stronger physics, realism, and control.
GPT-5August 7, 2025Unified GPT-5 system for ChatGPT and developers.
CodexMay 16, 2025Cloud-based software engineering agent.
OpenAI o3 and o4-miniApril 16, 2025Reasoning models with tool use across ChatGPT.
GPT-4.1April 14, 2025API model series for coding, instruction following, and long context.
4o image generationMarch 25, 2025Native image generation in GPT-4o and ChatGPT.
GPT-4.5February 27, 2025Research preview of a larger GPT model for chat.
OpenAI o3-miniJanuary 31, 2025Cost-efficient reasoning model for STEM, coding, and math.
ChatGPT searchOctober 31, 2024Web search experience inside ChatGPT.
CanvasOctober 3, 2024Separate workspace for writing and coding with ChatGPT.
OpenAI o1-previewSeptember 12, 2024First public reasoning model series from OpenAI.
GPT-4oMay 13, 2024Omni model for text, audio, vision, and real-time interaction.
ChatGPT pluginsMarch 23, 2023Early tool system for ChatGPT, later deprecated.
GPT-4March 14, 2023Large multimodal model with text and image input.
ChatGPT PlusFebruary 1, 2023Paid ChatGPT subscription plan.
ChatGPTNovember 30, 2022Public research preview of ChatGPT.
GPT-3May 28, 2020175B-parameter language model for few-shot learning.
GPT-2February 14, 2019Large unsupervised language model and staged release milestone.
GPT-1June 11, 2018Early generative pre-training system for language understanding.

Latest ChatGPT and OpenAI Releases

GPT-6.1 Sol Arrives at DevDay 2026

OpenAI introduced GPT-6.1 Sol on September 29, 2026. The model improves on GPT-6 Sol in agentic coding, complex documents, business workflows, computer use, scientific tasks, and factual accuracy.

GPT-6.1 Sol is available in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu users, and in the API as gpt-6.1-sol. API prices are $2 per million input tokens, $0.10 per million cached input tokens, and $10 per million output tokens.

Dots and Space Expand ChatGPT Work

OpenAI introduced dots, always-on agents powered by GPT-6 Astra that can work on a cloud computer, use connected apps, and carry out ongoing tasks. Users can inspect their work, set rules for actions, and review decisions that require approval. A first dot is included with Pro and Business Premium plans in eligible markets; Enterprise, Edu, and Healthcare workspaces can try a beta when administrators enable it.

ChatGPT Space replaces Library for Pro, Business, and Enterprise users. It brings shared pages, files, and team context into one workspace where people can collaborate with ChatGPT, Codex, and dots. Users can create and edit pages on web and desktop, while mobile access initially supports finding, reading, and sharing. Collaborative slides and spreadsheets are planned for a later release.

DevDay Adds Developer Tools and New Plan Options

At DevDay 2026, OpenAI announced GPT-6 Astra Ultrafast for eligible API users and Pro 500 and Enterprise users in ChatGPT Work and Codex. The company also added computer use to the Agents API, previewed a Decisions API for predefined choices, expanded cloud Codex and Code Review, and introduced Codex Security Cloud for eligible paid plans. GPT-6.1 Sol Ultrafast is planned for a later rollout.

ChatGPT gained plugin extensions with sidebar panels, improvements to plugin creation and discovery, and support for plugins on Sites in eligible workspaces. Business and Enterprise plans gained team sharing and ChatGPT access from Slack and Microsoft Teams. Sign in with ChatGPT lets Plus and Pro users use eligible plan allowances in participating apps, subject to their existing usage limits. The new Pro 500 tier costs $500 per month and includes Astra Ultrafast. OpenAI also opened interest in its Marketplace, where eligible enterprise customers can apply part of an existing OpenAI commitment to approved partner products.

GPT-6 Sol and Luna Extend the GPT-6 Model Family

OpenAI introduced GPT-6 Sol and GPT-6 Luna on September 22, 2026. Both models use training methods related to GPT-6 Astra and improve professional work, factual reliability, coding, computer use, and alignment at lower cost.

GPT-6 Sol and Luna are available in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu users. Free and Go users can access GPT-6 Luna in the desktop app. The models are not yet available in the standard Chat experience. API developers can use gpt-6-sol and gpt-6-luna.

API pricing per 1 million tokens is $2 for input and $10 for output with GPT-6 Sol, and $0.10 for input and $0.50 for output with GPT-6 Luna. OpenAI describes both prices as 50% lower than the promotional prices of their GPT-5.6 predecessors. Cached input-token reads receive a 90% discount.

OpenAI reports that GPT-6 Sol made about half as many mistakes as GPT-5.6 Sol in an internal factuality evaluation. GPT-6 Sol scored 68.8% on DeepSWE 1.1 at maximum reasoning effort, while GPT-6 Luna scored 66.6%. OpenAI classifies both models as High capability in the Cybersecurity and Biological and Chemical domains, below the Critical level reached by Astra in cybersecurity.

Agents API Brings the Codex Harness to Developers

OpenAI introduced the Agents API in public beta on September 10, 2026. Developers can use it to build and run cloud agents with the Codex harness that manages context, tools, long-running sessions, and optional subagents.

The API supports OpenAI-hosted sandboxes, customer-managed infrastructure, and integrated sandbox providers. Agents can use MCP servers, custom functions, web search, tool search, programmatic tool calling, and context compaction. The public beta has no separate platform fee; developers pay for the tokens and tools their agents use.

GPT-Live-1 Adds Full-Duplex Voice to the API

OpenAI released GPT-Live-1 in the API on September 10, 2026. The model listens and speaks at the same time, so voice agents can handle interruptions, pauses, background noise, and changes of direction without relying on a chained speech-to-text, language-model, and text-to-speech architecture.

Developers can set the agent’s tone, pace, and style, use turn detection and transcripts, and delegate deeper reasoning or tool calls to models such as GPT-6 Astra. GPT-Live-1 is available at $0.05 per minute for the front-end voice layer, with the selected backend model and agent tools billed separately.

New ChatGPT Work Products for Data and Financial Analysis

OpenAI introduced a Data agent for ChatGPT Work on September 10, 2026. The plugin connects to approved company data sources and business definitions, investigates questions, creates interactive dashboards, and can share findings through connected tools after user approval. Administrators choose the available connections and user roles, while queries enforce the source account’s existing permissions.

On the same day, OpenAI announced ChatGPT for Financial Services, a tailored ChatGPT Work experience for eligible financial institutions. It combines GPT-6 Astra with built-in financial data, connected sources, firm templates, and enterprise security controls for research, financial models, and client materials.

Codex and ChatGPT Support Antimicrobial Research

OpenAI also described how César de la Fuente’s laboratory uses Codex and ChatGPT to explore genome and protein datasets for potential antimicrobial molecules. Lab members use the tools to develop and refine code, process datasets, analyze results, and form hypotheses across biology, chemistry, and computer science. The researchers emphasize that laboratory experiments is essential for validating AI-generated candidates.

ChatGPT Images 2.5 Adds Faster Generation and More Editing Control

OpenAI introduced ChatGPT Images 2.5 on September 8, 2026. The new image model is rolling out to ChatGPT, ChatGPT Work, and Codex users across all plans on desktop, mobile, and web.

Images 2.5 produces sharper details, more natural lighting and textures, and more recognizable subjects from reference photos. It follows focused editing instructions more reliably across multiple turns and reduces image-generation latency by up to 50% compared with Images 2.0.

ChatGPT also adds Sketch for drawing a visual reference, templates for formats such as posters and merchandise, comments placed directly on images, and optional prompt sharing. For API users, OpenAI released GPT-Image-2.5 Flare for most applications and GPT-Image-2.5 Sunburst for workflows that need tighter editing control. The release retains prompt and image safety checks, C2PA metadata, and invisible watermarking.

GPT-6 Astra Is Released with Critical Cybersecurity Capability

OpenAI released GPT-6 Astra on September 3, 2026. The rollout started with a limited set of organizations and is expanding to ChatGPT Plus, Pro, Business, and Enterprise users, the OpenAI API, and AWS. Enterprise administrators must enable Astra, and access is off by default at launch. Users on Pro, Business, and Enterprise plans also receive access to GPT-6 Astra Pro.

Astra is designed for computer use, browsing, software engineering, cybersecurity, science, and professional work. OpenAI reports scores of 98% on FrontierMath Tier 4, 99.9% on ARC-AGI-3, and 100% on ExploitBench. The model can also fill online forms, update records, organize calendars, research information, and work with documents, spreadsheets, and code.

GPT-6 Astra is OpenAI’s first model to reach the Critical cybersecurity capability threshold under its Preparedness Framework. In testing without production safeguards, it found and used two previously unknown zero-day vulnerabilities and achieved a 100% ExploitBench score. The deployed model refuses more advanced cyber tasks such as creating proof-of-concept exploits; OpenAI says Daybreak will expand access to less restrictive safeguards for approved defensive work.

OpenAI’s safety overview reports that Astra is more robust to jailbreaks and prompt injection than GPT-5.6 Sol and produced roughly half as many higher-severity misalignment flags in a simulation of more than 54,000 internal Codex tasks. The company has added misalignment monitoring to all tool-using external Astra inference. OpenAI also found that Astra can be harder to monitor in adversarial tests, so the system card treats monitorability as an ongoing safety issue.

Daybreak for Frontline Defenders Commits $1 Billion to Cyber Defense

OpenAI introduced Daybreak for Frontline Defenders on September 3, 2026, with a $1 billion commitment for subsidized access to Daybreak cyber models and products, training, technical support, and partnerships. The funding is intended to be used over the next six months, starting with resource-constrained defenders in the United States and expanding to partner countries.

The initiative prioritizes water and wastewater systems, electric grid operators, state and local governments, community and regional banks, nonprofits, open-source maintainers, and similar organizations. Defenders can use Daybreak to review legacy code, analyze suspicious activity, identify and validate vulnerabilities, prioritize risks, and develop and test fixes.

OpenAI says thousands of defenders in 2,000 approved organizations and workspaces already use Daybreak. Its Daybreak Defense Network includes more than 35 enterprise products and partner-operated services, and a new MS-ISAC pilot will pair Daybreak access with training and hands-on support for public-sector and water-system defenders.

ChatGPT Connects to Epic and Public Healthcare Data

OpenAI added a new Epic integration and Healthcare Public Data plugin to ChatGPT for Healthcare on September 1, 2026. Healthcare organizations can bring authorized patient information from Epic into ChatGPT or integrate ChatGPT into supported electronic health record layouts.

The Healthcare Public Data plugin connects nine official sources, including ClinicalTrials.gov, CMS Coverage, RxNorm, DailyMed, and PubMed. Teams can work with specific records, fields, identifiers, and versions for clinical research, medication information, coverage policies, trials, and provider records.

Physicians evaluated the Epic-connected experience across 27 clinical use cases and rated 99.1% of 4,363 responses safe. ChatGPT for Healthcare customers can ask a workspace administrator to enable both connections. Eligible U.S. ChatGPT for Clinicians users can install the public-data plugin, but the Epic integration is not available to individual accounts.

ChatGPT Work and Scheduled Tasks Updates

OpenAI updated ChatGPT Work on August 25, 2026, with support for websites that require sign-in on web and mobile. The user completes the sign-in without ChatGPT seeing the username or password.

Scheduled tasks can now respond when something changes in Slack, Gmail, or GitHub for Plus and Pro users. OpenAI also began rolling out tasks to Free users, with a limit of three tasks, and added task sharing so other people can customize and use a shared task.

ChatGPT Business Premium Seats

ChatGPT Business now offers Premium seats with five times the usage of Standard seats and no five-hour usage limit. A Premium seat costs $100 per user per month with annual billing or $125 with monthly billing. Business workspaces can mix Standard and Premium seats and reassign them as team needs change.

ChatGPT for Teens

OpenAI introduced ChatGPT for Teens on August 18, 2026. It is designed to help teens learn, think critically, deepen understanding, and use AI with confidence. OpenAI says its system automatically places users it estimates are under 18, as well as users who state that they are between 13 and 17, into this experience.

The learning features include Study Mode, responsible homework reminders, Quizzes, Learning Visualizations, and Study Hours. Study Mode uses guiding questions and step-by-step support, while homework reminders can redirect apparent attempts to shortcut an assignment toward collaborative problem solving. Teens or parents can choose times when Study Mode is on by default.

Protections are enabled by default for teen users. The experience applies age-appropriate safeguards in higher-risk areas such as self-harm, violence, eating disorders, dangerous activities, and explicit sexual or graphic content. Parents with linked teen accounts can set Quiet Hours, manage selected settings, and receive limited safety notifications, including new notifications related to eating disorders.

ChatGPT for Teens also adds break reminders, clear cues that identify ChatGPT as AI, sensitive-image upload reminders, teen-specific onboarding, and simple customization options. OpenAI’s updated under-18 model spec says ChatGPT should not use romantic language, encourage emotional dependence, or imply that it has feelings or consciousness. OpenAI also announced a partnership with CodeAI to give students and educators more resources for learning how AI works and how to question, direct, and create with it.

GPT-5.6 Sol Ultrafast Mode Preview

OpenAI previewed Ultrafast mode for GPT-5.6 Sol on August 13, 2026. The preview can run GPT-5.6 Sol at up to 14 times the speed.

ChatGPT Computer History

Computer History turns activity across selected apps and websites into memories and a timeline that ChatGPT and Codex can reference later. You can return to recent work without reconstructing every open app, document, and next step.

Computer History is off by default in the ChatGPT desktop app on macOS. Pro users can turn it on. Business and Enterprise users need access from a workspace administrator before they can opt in. The feature requires Memories, does not work with an API key or Amazon Bedrock, and is unavailable in the European Economic Area, Switzerland, and the United Kingdom.

You control which apps and websites contribute. Computer History records interaction events and creates text summaries. It does not capture your screen or audio. Collection can be paused from the macOS menu bar, and each history item can be inspected or deleted.

GPT-5.6-Cyber and Expanded OpenAI Daybreak Access

OpenAI introduced GPT-5.6-Cyber on August 10, 2026. The cybersecurity-specific model is built on GPT-5.6 Sol and trained for advanced work such as finding zero-day vulnerabilities, developing exploit chains, validating exploits, and conducting authorized security tests.

The Daybreak program has two access tiers. Daybreak Blue gives approved defenders access to frontier general-purpose models, including GPT-5.6 Sol, with safeguards adjusted for secure code review, malware analysis, incident response, vulnerability discovery, and patch validation. Daybreak Red includes purpose-trained cyber models for higher-risk authorized research, including GPT-5.6-Cyber.

In OpenAI’s internal Advanced Cybersecurity Completion Rate evaluation, GPT-5.6-Cyber completed 95.0% of requests involving advanced scenarios such as exploit-chain development, authentication bypass, and privilege escalation. GPT-5.5-Cyber completed 57.3%, while GPT-5.6 Sol completed 1.5% with standard safeguards and 2.0% through Daybreak Blue.

The specialized model did not lead every evaluation. GPT-5.6-Cyber outperformed GPT-5.6 Sol and GPT-5.5-Cyber on ExploitGym and scored higher than GPT-5.6 Sol in OpenAI’s zero-day discovery evaluation. GPT-5.6 Sol produced stronger results in OpenAI’s vulnerability discovery and report-writing evaluation and performed best in the standard 300-turn ExploitBench setting.

OpenAI used GPT-5.6-Cyber to investigate Chrome’s V8 JavaScript engine and reported two previously unknown vulnerabilities to Google. Google fixed the disclosed issue as CVE-2026-15903. OpenAI also reported findings in a mobile operating system, a popular database, and an operating system kernel. Coordinated disclosure and remediation are underway.

OpenAI assessed GPT-5.6-Cyber as High for cybersecurity capability but below the Critical threshold. Access to both Daybreak tiers is limited to approved individuals and organizations conducting authorized work. Controls include identity verification, account security, monitoring, approved-use restrictions, and legal attestations. Individual Daybreak accounts must use hardware security keys beginning September 1, 2026.

GPT-5.6 Sol and Luna in ChatGPT

OpenAI updated GPT-5.6 Sol in ChatGPT on August 6, 2026, for Plus and Pro users. The model adjusts detail to each question, uses tighter formatting, and pushes back more often when a correction would help.

The same GPT-5.6 Sol model now handles both Instant responses and deeper reasoning in ChatGPT. A new slider on the web, mobile, and desktop apps lets Plus and Pro users choose how much thought the model uses for each response.

OpenAI says answers containing at least one factual error were about 68% less common with GPT-5.6 Sol than with GPT-5.5 Instant in an internal evaluation of financial, medical, and legal prompts. The corresponding reduction for GPT-5.6 Luna was about 62%.

OpenAI announced GPT-5.6 Luna as the default model for Free and Go users during the week of August 6. It also announced unlimited text chats and a Think button for the following week. Abuse guardrails apply, and file uploads, images, and other tools have separate limits.

This version of GPT-5.6 Sol is tuned for everyday conversations and is available only in the standard Chat experience. ChatGPT Work and Codex keep their existing GPT-5.6 Sol version.

The release also adds age-appropriate protections for users OpenAI believes are under 18. The model avoids romantic roleplay and age-restricted challenges, applies tighter boundaries to sensitive and dangerous content, and encourages contact with trusted people when a teenager may need support.

OpenAI Presence

OpenAI introduced OpenAI Presence on July 22, 2026. The enterprise product supports voice and chat agents that can answer questions, resolve issues, use company systems, take approved actions, and transfer work to people when needed.

Each deployment starts with a defined job and receives only the knowledge and system access required for that work. The customer sets permissions, policies, approval requirements, and escalation rules. Before launch, simulations and graders test outcomes, policy compliance, tool use, and escalation behavior.

After launch, production sessions and quality signals show where the agent needs attention. Codex uses the Presence plugin to investigate those signals and propose updates. Teams can compare each proposal with the production version, test it, and approve a controlled rollout.

Presence is available to eligible enterprise customers through a limited general availability program. OpenAI Forward Deployed Engineers and selected global systems integrators lead deployments, and the product is not available for self-service access. OpenAI says Presence now resolves 75% of inbound issues on its English-language phone support channel without human assistance. Its improvement process also reduced human handoffs by 15 percentage points in 10 days.

GPT-6

The GPT-6 family began with GPT-6 Astra on September 3, 2026. Astra is the highest-capability model in the family. GPT-6 Sol and GPT-6 Luna followed on September 22, and GPT-6.1 Sol arrived on September 29 with stronger coding, computer-use, and professional-work results than GPT-6 Sol.

Sol and Luna are available through ChatGPT Work, Codex, and the OpenAI API. GPT-6 Luna is also available to Free and Go users in the desktop app. OpenAI has not yet added either model to the standard Chat experience.

The API model IDs are gpt-6-sol and gpt-6-luna. Sol costs $2 per million input tokens and $10 per million output tokens. Luna costs $0.10 per million input tokens and $0.50 per million output tokens.

GPT-5.6

OpenAI introduced GPT-5.6 Sol on June 27, 2026 in a limited preview of the GPT-5.6 series. The series has three tiers: Sol for the highest capability, Terra for everyday work, and Luna for faster, lower-cost use.

Sol is the top tier in the release. It adds a max reasoning effort for harder problems and an ultra mode that can use subagents for complex work.

On August 13, 2026, OpenAI previewed a separate Ultrafast mode that can run GPT-5.6 Sol at up to 14 times the speed.

Terra balances capability and cost. Luna targets cost-sensitive, high-volume workloads.

OpenAI first limited access to selected trusted partners through the API and Codex, then began a broader rollout across ChatGPT, Codex, and the API on July 9, 2026. The August 6 ChatGPT update gives Plus and Pro users the new chat-tuned version of Sol and expands Luna access for Free and Go users.

GPT-5.6 Sol improves results in coding, biology, and cybersecurity evaluations. It sets a new state of the art on Terminal-Bench 2.1, performs better than GPT-5.5 on GeneBench v1 with fewer tokens, and improves long-horizon security tasks in ExploitBench and ExploitGym.

Because GPT-5.6 is stronger in dual-use areas, the preview includes safeguards across the model, generation-time checks, account-level review, access controls, monitoring, enforcement, automated red teaming, and expert testing. GPT-5.6 Sol did not cross OpenAI’s Cyber Critical threshold in the reported tests.

OpenAI used more than 700,000 A100-equivalent GPU hours for automated red teaming aimed at universal jailbreaks. The tests targeted attacks designed to work across many prompts.

API pricing is calculated per 1 million tokens: Sol at $4 input and $20 output, Terra at $2.00 input and $12 output, and Luna at $0.2 input and $1.2 output. All three models have a 1,050,000-token context window and a maximum output of 128,000 tokens. Cached input costs $0.40 for Sol, $0.20 for Terra, and $0.02 for Luna.

AI LLM API Pricing: GPT, Gemini, Claude Fable/Mythos, and More

OpenAI and ChatGPT Timeline

2026

DateEventDetails
September 29GPT-6.1 SolOpenAI released GPT-6.1 Sol in ChatGPT Work, Codex, and the API, with stronger coding, computer-use, professional-work, and factuality results than GPT-6 Sol.
September 29DotsOpenAI began rolling out dots, ongoing GPT-6 Astra agents that work through a cloud computer and connected apps under user controls.
September 29ChatGPT SpaceSpace replaced Library for eligible plans, adding shared pages, files, and collaboration with ChatGPT, Codex, and dots.
September 29DevDay developer toolsOpenAI announced Astra Ultrafast, computer use in the Agents API, cloud Codex updates, Codex Security Cloud, and a limited Decisions API preview. GPT-6.1 Sol Ultrafast is coming later.
September 29DevDay ChatGPT updatesOpenAI added plugin extensions, eligible Sites plugin hosting, team sharing, and ChatGPT in Slack and Teams. It also introduced Sign in with ChatGPT, Pro 500, and an enterprise Marketplace.
September 23ChatGPT VoiceChatGPT Voice can now: Use plugins like your email, calendar, and Slack; Be powered by GPT-6 Astra, Sol, and Luna; Be used in ChatGPT Work on web and mobile, so you can create docs, decks, sites, and spreadsheets or tackle complex tasks in the browser, just by talking.
September 22GPT-6 Sol and LunaOpenAI released GPT-6 Sol and GPT-6 Luna in ChatGPT Work, Codex, and the API. Free and Go users can access Luna in the desktop app; neither model is yet available in standard Chat.
September 17ChatGPTOpenAI introduced Appshots in ChatGPT. It takes the context on your screen and brings it into the desktop app, allowing you to share instead of describe.
September 17ChatGPTYou can add ChatGPT to Microsoft Word to turn rough notes into first drafts, untangle tricky paragraphs, proofread, and get suggested edits—all without leaving your document.
September 17Astra for LawOpenAI introduced Astra for Law: a new foundation for law firms and legal technology companies to build AI products and workflows around their expertise. 
September 10Agents APIOpenAI introduced the Agents API in public beta. It gives developers managed access to the Codex harness, long-running sessions, tools, sandboxes, and optional subagents.
September 10GPT-Live-1OpenAI released GPT-Live-1 in the API, a full-duplex voice model for agents that can listen and speak at the same time. The front-end voice layer costs $0.05 per minute.
September 10ChatGPT for Financial ServicesOpenAI introduced ChatGPT for Financial Services for eligible financial institutions, with GPT-6 Astra, built-in financial data, firm templates, and enterprise controls.
September 10ChatGPT Work Data agentOpenAI introduced a Data agent for ChatGPT Work. It connects to approved company data, builds interactive dashboards, and can take approved actions through connected tools.
September 10Codex and ChatGPTOpenAI described how César de la Fuente’s lab uses Codex and ChatGPT to support research into potential antimicrobial molecules from genome and protein datasets.
September 8ChatGPT Images 2.5OpenAI introduced ChatGPT Images 2.5, with sharper details, more precise multi-turn editing, and up to 50% lower generation latency than Images 2.0. ChatGPT adds Sketch, templates, image comments, and optional prompt sharing. OpenAI also released GPT-Image-2.5 Flare and GPT-Image-2.5 Sunburst in the API.
September 7ChatGPTChatGPT Work can now pick up on what makes your writing sound like… you. Your favorite phrases. Your very specific sign-off. your capitalizations quirks. Connect the tools you use every day, like Gmail, Google Drive, Slack, and SharePoint, and ChatGPT Work will learn your writing style from your emails, messages, and files—and carry it into whatever you write next.
September 3GPT-6 AstraOpenAI released GPT-6 Astra, its most capable model broadly deployed and first model to reach the Critical cybersecurity capability threshold under the Preparedness Framework. Astra began a limited rollout to organizations before expanding to ChatGPT Plus, Pro, Business, Enterprise, the OpenAI API, and AWS. Source
September 3DaybreakOpenAI announced Daybreak for Frontline Defenders and a $1 billion commitment for subsidized access, training, technical support, and partnerships to help protect essential services. Source
September 1OpenAIOpenAI described how Basis, Clay, and Exa Labs use Codex agents for employee onboarding, persistent account context, and developer integration work. Source
September 1AstraOpenAI outlined the path to Astra and said the model was the first OpenAI model to meet the Critical cybersecurity capability threshold. GPT-6 Astra launched on September 3, 2026, with stronger safeguards and monitored external deployment. Source
September 1ChatGPT for HealthcareOpenAI added an Epic integration and Healthcare Public Data plugin for authorized patient context and structured access to nine official healthcare sources. Source
August 31OpenAIOpenAI endorsed California Senate Bill 1119, which would require automatic age-appropriate protections, independent audits, parent controls, crisis resources, limits on targeted advertising, and safeguards for young users’ personal information. Source
August 31ChatGPT AdsOpenAI said ChatGPT Ads reached a $1 billion annualized revenue run rate less than 200 days after launch. Self-service Ads Manager access expanded to India, Europe, the Middle East, and North Africa. Source
August 28OpenAI APIOpenAI notified SpaceX that it intends to end the contract providing OpenAI models to Cursor, with a proposed shutoff date of November 12, 2026. OpenAI said future models, including Astra, will not be provided through Cursor. Source
August 27OpenAI ResearchA randomized experiment with more than 1,000 students found that ChatGPT access improved work quality and coherence, while causal-reasoning training increased idea variety. Students who received both showed both types of gains. Source
August 25ChatGPT WorkChatGPT Work added support for websites that require sign-in on web and mobile. The user completes the sign-in without ChatGPT seeing the username or password. Source
August 25ChatGPTPlus and Pro users can create tasks that respond to changes in Slack, Gmail, and GitHub. Tasks began rolling out to Free users with a three-task limit, and users can share tasks for others to customize. Source
August 25ChatGPT BusinessChatGPT Business added Premium seats with five times the usage of Standard seats and no five-hour usage limit. Premium costs $100 per user per month with annual billing or $125 with monthly billing. Pricing
August 21GPTOpenAI dropped API and credit pricing of GPT-5.6 Sol by over 20% for the next 3 months.
August 18ChatGPTOpenAI introduced ChatGPT for Teens, a learning-focused experience for teens with Study Mode, responsible homework reminders, stronger age-appropriate protections, parent controls, and healthy-use features.
August 13GPTOpenAI previewed Ultrafast mode for GPT-5.6 Sol at up to 14 times the speed.
August 13ChatGPTOpenAI introduced Computer History in the macOS desktop app. The optional feature turns activity across selected apps and websites into memories and a timeline that ChatGPT and Codex can use in future interactions.
August 11ChatGPTYou can now use ChatGPT, ChatGPT Work, and Codex where you already work and build, with your projects and browser workflows on supported Linux systems.
August 10GPTOpenAI introduced GPT-5.6-Cyber, a cybersecurity-specific model built on GPT-5.6 Sol and available to approved defenders through Daybreak Red. OpenAI also added Daybreak Blue access to general-purpose models for authorized defensive security work.
August 06ChatGPTOpenAI updated GPT-5.6 Sol for Plus and Pro users with more focused answers, stronger factual reliability, and a slider for choosing how much thought the model uses. GPT-5.6 Luna is becoming the default for Free and Go users, followed by unlimited text chats and a Think button the next week.
July 30APIOpenAI is making GPT-5.6 more affordable and faster. GPT-5.6 Luna now costs 80% less, GPT-5.6 Terra costs 20% less, and Fast mode gives API customers an option for faster access to GPT-5.6 Sol. Full API Pricing
July 28APIOpenAI introduced two new transcription models in the API:
GPT-Live-Transcribe: built for low-latency live transcription.
GPT-Transcribe: optimized for asynchronous transcription of completed audio files and batch workloads.
July 28CodexOpenAI Open-Sourced Codex Security CLI and SDK for finding, validating, and fixing security vulnerabilities in your code.
July 23ChatGPTYou can now control your computer and direct multiple agents running in ChatGPT Work or Codex, using just your voice.
July 23ChatGPTOpenAI is launching Health in ChatGPT. You can securely connect your health information to help you better understand and navigate your health.
July 22OpenAI PresenceOpenAI introduced OpenAI Presence, an enterprise product for deploying voice and chat agents with scoped system access, company policies, evaluations, guardrails, approved actions, and human escalation. Presence is available to eligible enterprise customers through a limited general availability program and is not self-service.
July 09ChatGPTOpenAI introduced ChatGPT Work, a new agent in ChatGPT powered by Codex and GPT-5.6. It can take action across your apps and files, stay with a project for hours if needed, and turn a goal into finished work.
July 09GPTSol, Terra, and Luna, our GPT‑5.6 family of models, are starting to roll out now in ChatGPT, Codex, and the API.
July 08GPT‑LiveOpenAI introduced GPT-Live, a new generation of voice models that make talking with AI feel much more like having a real conversation.
July 06GPT-RealtimeGPT-Realtime-2.1-mini is now available in the API, bringing reasoning and tool use to our Realtime mini lineup at the same cost as GPT-Realtime-mini.
July 06ChatGPTChatGPT for PowerPoint is now generally available worldwide across all plans.
June 27GPTOpenAI began a limited preview of the GPT-5.6 series: Sol, its flagship model; Terra, a balanced model for everyday work; and Luna, a fast and affordable model. The preview is initially available through the API and Codex to selected trusted partners.
June 24ChatGPTOpenAI introduced a new version of GPT-5.5 Instant. It is now better at understanding the intent behind a question and adapting its response accordingly.
June 22OpenAIOpenAI expanded Daybreak, its program for giving approved defenders access to frontier models and security tools.
June 17ChatGPTThe new scheduled tasks experience is rolling out to Go, Plus, Pro, Business, and Enterprise users on web and mobile. Scheduled tasks are faster, more reliable, and easier to manage from the new Scheduled page.
June 05ChatGPTOpenAI is rolling out Dreaming, a more capable and scalable system for synthesizing memory.
June 03OpenAIOpenAI introduced a new model update to its GPT‑Rosalind series purpose-built for life sciences research at enterprise scale. It combines GPT‑5.5’s agentic coding and tool-use capabilities with stronger model intelligence in core drug-discovery domains such as medicinal chemistry and genomics, while advancing performance across broader life sciences analysis, design, and experimental workflows.
June 02CodexSites is now available in preview in the Codex app. Use the Sites plugin to create, save, deploy, and inspect websites, dashboards, internal tools, web apps, and games hosted by OpenAI.
May 14ChatGPTOpenAI is releasing a preview of a new personal finance experience in ChatGPT to Pro users in the U.S. Now you can securely connect your financial accounts, see a dashboard of where your money is going, and ask ChatGPT questions grounded in your financial context – all while staying in control of your data. 
May 14CodexCodex is now in the ChatGPT mobile app so you can stay in the loop from anywhere while Codex gets work done across your laptops, devboxes, or remote environments.
May 11OpenAIOpenAI introduced Daybreak: frontier AI for cyber defenders. Daybreak brings together the most capable OpenAI models, Codex, and our security partners to accelerate cyber defense and continuously secure software.
May 11OpenAIOpenAI announced OpenAI Deployment Company, a new company designed to help organizations build and deploy AI systems they can rely on every day across their most important work.
May 07OpenAIOpenAI just released three audio models in the API that unlock a new class of voice apps for developers. See Pricing here.
GPT‑Realtime‑2, OpenAI’s first voice model with GPT‑5‑class reasoning that can handle harder requests and carry the conversation forward naturally.
GPT‑Realtime‑Translate, a new live translation model that translates speech from 70+ input languages into 13 output languages while keeping pace with the speaker.
GPT‑Realtime‑Whisper, a new streaming speech-to-text that transcribes speech live as the speaker talks.
May 07CodexCodex now works directly in Chrome on macOS and Windows. It’s even better at working with apps and sites in Chrome, and now works in parallel across tabs in the background without taking over your browser. To get started, install the Chrome plugin in the Codex app.
May 05ChatGPTGPT-5.5 Instant is starting to roll out in ChatGPT. It’s a big upgrade, giving you smarter, clearer, and more personalized answers in a warmer, more natural tone.
May 05ChatGPTChatGPT is now available as an add-on in Excel and Google Sheets. It can help analyze messy data, write formulas, update spreadsheets, and explain what it’s doing along the way, without leaving your spreadsheet.
May 01ChatGPTOpenAI introduced Advanced Account Security: a new opt-in setting for ChatGPT accounts, designed for people at increased risk of digital attacks, as well as for those who want the strongest account protections available. 
Apr 23ChatGPTOpenAI released GPT-5.5, their smartest and most intuitive to use model yet, and the next step toward a new way of getting work done on a computer.
Apr 22ChatGPTOpenAI introduced workspace agents in ChatGPT. Teams can now create shared agents that handle complex tasks and long-running workflows, all while operating within the permissions and controls set by their organization.
Apr 21ChatGPTOpenAI introduced ChatGPT Images 2.0, a state-of-the-art image model that can take on complex visual tasks and produce precise, immediately usable visuals, with sharper editing, richer layouts, and thinking-level intelligence.
Apr 21CodexOpenAI releases Codex Chronicle feature for building Codex memories from recent screen context.
Apr 20CodexOpenAI released Codex for (almost) everything. It can now use apps on your Mac, connect to more of your tools, create images, learn from previous actions, remember how you like to work, and take on ongoing and repeatable tasks.
Apr 16GPTOpenAI introduced GPT‑Rosalind, frontier reasoning model built to support research across biology, drug discovery, and translational medicine. 
Apr 15GPTOpenAI announced GPT-5.4-Cyber: a version of GPT-5.4 fine-tuned for cybersecurity use cases, enabling more advanced defensive workflows.
Apr 09ChatGPTOpenAI Launched a New $100/Mo ChatGPT Pro Subscription. See Pricing here.
Apr 03ChatGPTChatGPT is available in Apple CarPlay on supported iPhone models running iOS 26.4 or later.
Mar 27CodexCodex now works seamlessly out of the box with the most important tools builders already use, like Slack, Figma, Notion, Gmail, and more.
Mar 17GPTGPT‑5.4 mini and nano released. GPT-5.4 mini is more than 2x faster than GPT-5 mini. Optimized for coding, computer use, multimodal understanding, and subagents. For lighter-weight tasks, GPT-5.4 nano is our smallest and cheapest version of GPT-5.4. See Pricing Here.
Mar 12ChatGPTOpenAI introduced Interactive Learning, new ways to learn math and science in ChatGPT.
Mar 07CodexOpenAI introduced Codex Security, an application security agent that builds deep context about your project to identify complex vulnerabilities that other agentic tools miss, surfacing higher-confidence findings with fixes that meaningfully improve the security of your system while sparing you from the noise of insignificant bugs.
Mar 06ChatGPTOpenAI introduced ChatGPT for Excel, ask ChatGPT to build full spreadsheets, get insights across tabs and formulas, and update workbooks in real time so projects move forward faster.
Mar 05GPTGPT-5.4 Thinking and GPT-5.4 Pro are rolling out now in ChatGPT. GPT-5.4 is also now available in the API and Codex. GPT-5.4 brings our advances in reasoning, coding, and agentic workflows into one frontier model. See Pricing Here.
Mar 04CodexThe Codex app is now on Windows.
Mar 03ChatGPTGPT‑5.3 Instant Released: Smoother, more useful everyday conversations
Feb 17ChatGPTOpenAI introduced Lockdown Mode and Elevated Risk labels in ChatGPT.
Feb 12CodexOpenAI released GPT‑5.3‑Codex‑Spark, an ultra-fast model for real-time coding in Codex.
Feb 11ChatGPTDeep research in ChatGPT is now powered by GPT-5.2.
Feb 05CodexOpenAI introduced GPT‑5.3-Codex, an agentic coding model for long-running coding, research, and computer-based work.
Feb 03CodexOpenAI released the Codex app for macOS, a powerful new interface designed to effortlessly manage multiple agents at once, run work in parallel, and collaborate with agents over long-running tasks.
Jan 27OpenAIOpenAI introduced Prism, a free, AI-native, cloud-based workspace specifically designed for scientists and researchers to write, collaborate on, and format research papers.
Jan 16ChatGPTChatGPT Go ($8.00/mo) is now available worldwide. It is designed for people who want expanded access to OpenAI’s latest model, GPT‑5.2 Instant, at a lower price point, more messages, more uploads, and more image creation.
Jan 15ChatGPTOpenAI released ChatGPT Translate: translate text between dozens of languages instantly. 
Jan 08ChatGPTOpenAI announced ChatGPT Health, a dedicated experience that securely brings your health information and ChatGPT’s intelligence together to help you feel more informed, prepared, and confident navigating your health.

2025

DateEventDetails
Dec 20ChatGPTYou can now adjust specific characteristics in ChatGPT, like warmth, enthusiasm, and emoji use.
Dec 18GPT-5.2-CodexThe most advanced agentic coding model yet for complex, real-world software engineering. More Details
Dec 17ChatGPTDevelopers can now submit apps to ChatGPT. More Details
Dec 16ChatGPTA new version of ChatGPT Images is now available, powered by the flagship image generation model (GPT Image 1.5).
Dec 11ChatGPTNew GPT-5.2 model series available: higher performance across reasoning, coding, long context understanding, and vision. Fewer hallucinations. API Pricing
Nov 19ChatGPTGPT-5.1 Pro is rolling out today to all Pro users.
Nov 13ChatGPTGPT-5.1 Instant & Thinking are rolling out! Blog Post
Nov 05SoraOpenAI launches Sora for Android devices. Download
Oct 07DevDayApps in ChatGPT: Chat with apps directly in ChatGPT and build them with the Apps SDK in preview.
AgentKit: Build with our toolkit for production-grade agents.
Sora 2 in the API: Integrate video generation into your app with our latest Sora model.
Codex: Check out new features like a Slack integration, Codex SDK, and enterprise controls in Codex, now generally available.
GPT-5 Pro in the API: The smartest model in the API for tasks where precision matters.
gpt-realtime-mini: A smaller voice model that’s 70% less expensive than the large model.
gpt-image-1-mini: A smaller image generation model that’s 80% less expensive than the large model.
Sep 30SoraOpenAI released their latest video generation model, Sora 2. It is more physically accurate, realistic, and more controllable than prior systems.  Blog Post
Sep 30SoraOpenAI just dropped the Sora iOS app. The “cameo” feature, dropping yourself into a generated video with your likeness and voice, sounds like an entirely new way to communicate with friends.
Sep 25ChatGPTOpenAI launches ChatGPT Pulse,  a new experience where ChatGPT proactively does research to deliver personalized updates based on your chats, feedback, and connected apps like your calendar.  Blog Post
Sep 10ChatGPTChatGPT now supports MCP (Model Context Protocol) tools.
Sep 04ChatGPTProjects in ChatGPT are now available to Free users.
Aug 07GPT-5OpenAI finally announced GPT-5, their smartest, fastest, and most useful model yet, with thinking built in. Blog Post
Aug 06OpenAIOpenAI just released two new open-weight models, gpt-oss-120b and gpt-oss-20b! They’re designed for serious reasoning tasks and are available under a permissive Apache 2.0 license. Blog Post
July 30ChatGPTOpenAI announced study mode in ChatGPT, a learning experience that helps you work through problems step by step instead of just getting an answer.  Blog Post
July 17ChatGPTOpenAI just launched ChatGPT Agent, which is a new mode in ChatGPT that can actually use its own computer to get tasks done for you. Blog Post
July 17ChatGPTRecord mode in the ChatGPT macOS desktop app is now available to ChatGPT Plus users globally.
June 26OpenAI APIWeb search is now available with OpenAI o3, o3-pro, and o4-mini. The model can search the web within its chain-of-thought! Learn More
June 26OpenAI APIDeep research and Webhooks have been added to OpenAI API.
June 12ChatGPTOpenAI is adding more capabilities to projects in ChatGPT to help you do more focused work.

Deep research support
Voice mode support
Improved memory to reference past chats in projects
Upload files and access the model selector on mobile
June 12ChatGPTCanvas now supports downloads! If you’re writing a doc, you can export it as a PDF, docx, or markdown. If you’re using Canvas to write code, it will export directly to the appropriate file type (e.g. .py, .js, .sql, etc.).
June 10o3OpenAI just dropped the price of o3 by 80%
June 07ChatGPTChatGPT just pushed an update to its Advanced Voice Mode for all paid users. It makes talking with the AI feel way more natural.
June 06ChatGPTChatGPT now connects to more of your everyday tools and can even record meetings! This means it can pull in real-time info from your internal sources, like your emails and cloud storage.
June 04ChatGPTChatGPT can now connect to more internal sources & pull in real-time context, keeping existing user-level permissions.
June 04ChatGPTWorkspace admins can also now build custom deep research connectors using Model Context Protocol (MCP) in beta.
June 04ChatGPTOpenAI is rolling out ChatGPT record mode to Team users on macOS.
June 04CodeXCodex is rolling out to ChatGPT Plus users today.
May 19CodeXCodex is now available in the ChatGPT iOS app! Start new tasks, view diffs, ask for changes, and even push PRs, all on the go. And you can keep tabs on Codex with live activities on your lock screen, or pick things up again when you’re back at your computer.
May 16CodeXOpenAI just dropped Codex, an AI software engineering agent that handles tons of coding tasks for you. Blog Post
May 14ChatGPTGPT-4.1 will be available directly in ChatGPT starting today.
May 09ChatGPTChatGPT deep research can now connect to YOUR GitHub repos! Get real-time analysis & cited snippets from your code & docs. Available for Team, rolling out to Plus/Pro. Blog Post
May 02ChatGPTEnd of an era! GPT-4 officially retired from ChatGPT on April 30, 2025, replaced by GPT-4o.
Apr 28ChatGPTOpenAI is starting to roll out a better shopping experience in ChatGPT search.
Apr 23gpt-image-1OpenAI launched gpt-image-1: their latest and most advanced model for image generation. Now available in the OpenAI API.
Apr 16o3 & o4OpenAI just released o3 and o4-mini, their smartest and most capable models to date.
OpenAI o3 is a powerful model across multiple domains, setting a new standard for coding, math, science, and visual reasoning tasks.
o4-mini is a remarkably smart model for its speed and cost-efficiency. This allows it to support significantly higher usage limits than o3, making it a strong high-volume, high-throughput option for everyone with questions that benefit from reasoning.
Blog Post
Apr 15GPT-4.1OpenAI just announced GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano in the API.
The GPT-4.1 family is a major upgrade over GPT-4o for real-world software engineering work. Blog Post
Apr 11ChatGPTMemory in ChatGPT can now reference all of your past chats to provide more personalized responses, drawing on your preferences and interests to make it even more helpful for writing, getting advice, learning, and beyond.
Apr 11BrowseCompOpenAI announced BrowseComp, a simple and challenging benchmark that measures the ability of AI agents to locate hard-to-find information. Blog Post
Mar 28GPT‑4oGPT-4o got another update in ChatGPT with improvements in following detailed instructions (especially multi-request prompts), tackling complex technical and coding problems, intuition, and creativity, along with fewer emojis. Source
Mar 27MCPOpenAI adopts rival Anthropic’s standard for connecting AI models to data. Source
Mar 26GPT‑4oOpenAI has rolled out a new image generation system directly integrated with GPT-4o. This allows the AI to access its knowledge base and conversation context when creating images. Source
Mar 11AgentOpenAI released its first set of building blocks that will help developers and enterprises build useful and reliable agents. Source
Feb 28GPT-4.5OpenAI is releasing a research preview of GPT‑4.5, their largest and best model for chat yet. Source
Feb 03ChatGPTOpenAI introduced Deep Research: an agent that uses reasoning to synthesize large amounts of online information and complete multi-step research tasks for you. Available to Pro users today, Plus and Team next. Source
Jan 31o3OpenAI launches o3-mini, its latest ‘reasoning’ model. Free users can now try OpenAI o3-mini in ChatGPT by selecting the Reason button under the message composer. Source
Jan 23OperatorOpenAI Launched Operator to Automate Tasks. Source

2024

DateEventDetails
Dec 18ChatGPTYou can now talk to ChatGPT via phone call or message ChatGPT via WhatsApp at 1-800-ChatGPT without needing an account. Source
Dec 18o1o1 in the API comes with support for function calling, developer messages, Structured Outputs, and vision capabilities. See the price.
Dec 16ChatGPT searchChatGPT search is starting to roll out to all Free users today.
Dec 14ChatGPTYou can create projects at http://chatgpt.com and on the ChatGPT desktop app for Windows.
Dec 13ChatGPTChatGPT can now see and hear in real-time.
Dec 11ChatGPTOpenAI rolls out ChatGPT for iPhone in landmark AI integration with Apple.
Dec 10ChatGPTOpenAI expands ChatGPT Canvas to all users.
Dec 09SoraSora (Sora Turbo) is now available! Source
Dec 05o1o1 is now live in ChatGPT now, coming to api soon. Source
Dec 05ChatGPTOpenAI announced ChatGPT Pro, a $200 monthly plan that enables scaled access to the best of OpenAI’s models and tools. Source
Nov 21ChatGPTGPT-4o model’s creative writing ability has leveled up, with more natural, engaging, and tailored writing to improve relevance & readability. Source
Nov 20ChatGPTOpenAI launched Advanced Voice Mode on web! Source
Oct 31ChatGPT searchChatGPT search is now available to all users. Source
Oct 18ChatGPTOpenAI released ChatGPT desktop app on Windows. Source
Oct 12SwarmOpenAI has released a new open-source framework called “Swarm” on GitHub. Swarm is an educational framework exploring ergonomic, lightweight multi-agent orchestration. Source
Oct 03CanvasOpenAI released Canvas: a new way of working with ChatGPT to write and code. Source
Oct 02OpenAI o1OpenAI’s expanding access to developers on usage tier 3 and increasing rate limits (to the same limits as GPT-4o) so your apps can be production-ready. Source
Oct 02GPT-4oDevelopers can now fine-tune GPT-4o with images and text to improve vision capabilities. Source
Oct 02Model DistillationFine-tune a cost-efficient model with the outputs of a large frontier model, all on the OpenAI platform. Source
Oct 02OpenAI APIPrompt Caching is now available. Our models can reuse recently seen input tokens, letting you add even more cached context into our models at a 50% discount and with no effect on latency. Source
Oct 02Realtime APIDevelopers can now build fast speech-to-speech experiences into their applications. Source
Sep 25ChatGPTAdvanced Voice is rolling out to all Plus and Team users in the ChatGPT app over the course of the week. (Source)
Sep 13o1-previewOpenAI introduced OpenAI o1-preview, which is the first of their new series of AI models designed to spend more time thinking before they respond. Source
Aug 21GPT-4oYou can now fine-tune custom versions of GPT-4o to increase performance and accuracy for your applications. Source
Aug 07Structured OutputsModel outputs now reliably adhere to developer-supplied JSON Schemas. Source
July 31Voice ModeOpenAI is starting to roll out advanced Voice Mode to a small group of ChatGPT Plus users. Source
July 25SearchGPTOpenAI announces SearchGPT, a prototype of new search features, using the strength of their AI models to give you fast answers with clear and relevant sources. Join Waitlist
July 24GPT-4oCustomize GPT-4o mini for your application with fine-tuning. Available today to tier 4 and 5 users, OpenAI plans to gradually expand access to all tiers. First 2M training tokens a day are free, through Sept 23. Source
July 18GPT-4oOpenAI announces GPT-4o mini: the most cost-efficient small model. Source
July 18OpenAIOpenAI has trained strong language models to produce text that is easy for weak language models to verify and found that this training also made the text easier for humans to evaluate. Source
June 27CriticGPTFinding GPT-4’s mistakes with GPT-4. Source
May 29ChatGPTGPTs in the Store are now available to all ChatGPT users, allowing more than 100 million weekly active users to experience custom GPTs. Source
May 21ChatGPTYou can now connect apps to access files in ChatGPT, like docs and spreadsheets.
May 16ChatGPTOpenAI introduced enhancements to data analysis. Source
May 13GPT-4oOpenAI releases GPT-4o, a faster model that’s free for all ChatGPT users. Source
Apr 29ChatGPTThe Financial Times today announced a strategic partnership and licensing agreement with OpenAI, a leader in artificial intelligence research and deployment, to enhance ChatGPT with attributed content, help improve its models’ usefulness by incorporating FT journalism, and collaborate on developing new AI products and features for FT readers. Source
Apr 28ChatGPTChatGPT now has memory across chats. Source
Apr 27SafetyOpenAI introduced the Instruction Hierarchy, the latest safety research to advance robustness for prompt injections and other ways of tricking LLMs into executing unsafe actions. Source
Apr 26APIIncreasing enterprise support with more security features and controls, updates to our Assistants API, and tools to better manage costs. Source
Apr 11ChatGPTThe new GPT-4 Turbo is now available to paid ChatGPT users. It’s improved capabilities in writing, math, logical reasoning, and coding. Source
Apr 10ChatGPTMajorly improved GPT-4 Turbo model available now in the API and rolling out in ChatGPT. Source
Apr 05ChatGPTDevelopers now have more control over fine-tuning and announcing new ways to build custom models with OpenAI. Source
Apr 01ChatGPTStarting today, you can use ChatGPT instantly, without needing to sign-up. Source
Apr 01DALL·EYou can now edit images you create with DALL·E. Source
Mar 29Voice EngineOpenAI announced Voice Engine, which uses text input and a single 15-second audio sample to generate natural-sounding speech that closely resembles the original speaker. Source
Mar 14FigureOpenAI signed a collaboration agreement with Figure AI to “develop next-generation AI models” for the robots as it believes they can “help in everyday life.” Source
Mar 08SecurityYou can now add extra security to your ChatGPT and API accounts by turning on multi-factor authentication. Set it up in account > settings. Source
Mar 03Read AloudRead Aloud allows ChatGPT to read the answers it generates aloud using an AI-generated voice.
Feb 24ChatGPT PluginsChatGPT plugins have been deprecated by OpenAI. Source
Feb 15SoraOpenAI introduced Sora, an AI model that can create realistic and imaginative scenes from text instructions. Source
Feb 14MemoryOpenAI’s testing the ability for ChatGPT to remember things you discuss to make future chats more helpful. You’re in control of ChatGPT’s memory. Source
Feb 13OpenAIOpenAI’s revenues have surpassed $2 billion (€1.8 billion) on an annualised basis, as the runaway success of its flagship artificial intelligence product ChatGPT puts it among the fastest-growing technology companies in history. Source
Jan 28GPTYou can now type @ to mention a Custom GPT and add it directly into your conversation.
Jan 26GPTA new preview model for GPT-4 Turbo, gpt-4-turbo-preview, has been introduced. The latest GPT-4 model is intended to reduce cases of “laziness” where the model doesn’t complete a task. Source
Jan 26GPTThe cost for GPT-3.5 Turbo API access has been reduced, with input prices dropping by 50% to $0.0005 per thousand tokens, and output prices decreasing by 25% to $0.0015 per thousand tokens. Source
Jan 26GPTA new GPT-3.5 Turbo model, gpt-3.5-turbo-0125, will be released next week. Source
Jan 26OpenAIOpen AI introduced two new embedding models: a smaller and highly efficient text-embedding-3-small model, and a larger and more powerful text-embedding-3-large model. Source
Jan 16OpenAIOpenAI sets rules to combat election misinformation. It’s been tried before. Source
Jan 10GPT StoreOpenAI has announced the GPT Store to help you find useful and popular custom versions of ChatGPT. Source
Jan 10ChatGPT TeamOpenAI is launching a new ChatGPT plan for teams of all sizes, which provides a secure, collaborative workspace to get the most out of ChatGPT at work. Source

2023

DateEventDetails
Dec 20ChatGPTYou can now archive your chats in ChatGPT. Source
Nov 30OpenAISam Altman returns as CEO, OpenAI has a new initial board. Source
Nov 30ChatGPTHappy 1st birthday, ChatGPT!
Nov 21VoiceChatGPT with voice is now available to all free users. Source
Nov 17OpenAIChief technology officer Mira Murati appointed interim CEO to lead OpenAI; Sam Altman departs the company. Source
Nov 06GPTsOpenAI has introduced GPTs, customizable versions of ChatGPT you can tailor for specific tasks and share. Learn how these new AI assistants work. Source
Nov 06GPT-4 TurboOpenAI Announces GPT-4 Turbo, DALL-E 3 API, Assistants API, and More. Source
Oct 19DALL-E 3DALL·E 3 is now available in ChatGPT Plus and Enterprise. Source
Oct 06DALL-E 3DALL-E 3 Is Now Available In ChatGPT.
Sep 27Web SearchThe web search is back in ChatGPT! Source
Sep 25MultimodalOpenAI is on the brink of releasing revolutionary upgrades to ChatGPT, imbuing it with the capability to perceive and interpret voice and images. Source
Aug 28ChatGPT EnterpriseOpenAI Launches ChatGPT Enterprise: A More Powerful and Secure Version of ChatGPT. Source
Aug 22GPT-3.5OpenAI Opens Up Fine-Tuning for GPT-3.5 Turbo. Source
Aug 22ChatGPTCustom Instructions Are Now Available In The EU & UK. Source
Aug 08GPTBotOpenAI Deploys Web Crawler GPTBot to Train Next-Generation Language Model GPT-5. Source
Aug 03ChatGPTUpload multiple files, suggested prompts and replies, and a whole lot more. OpenAI just released a bevy of updates for ChatGPT. Source
Aug 01GPT-5OpenAI has filed a new trademark application for “GPT-5”. Source
July 31ChatGPT AndroidChatGPT app for Android is now available in all countries and regions. Source
July 27ChatGPT AndroidThe ChatGPT app for Android is now available to users in Argentina, Canada, France, Germany, Indonesia, Ireland, Japan, Mexico, Nigeria, the Philippines, the UK, and South Korea! Source
July 25ChatGPT AndroidChatGPT for Android is now available for download in the US, India, Bangladesh, and Brazil. Source
July 24AI Classifier ToolOpenAI Shutters AI Classifier Tool Amid Low Usage and Accuracy Concerns. Source
July 21ChatGPT AndroidOpenAI Announced ChatGPT for Android. Source
July 20ChatGPTOpenAI Introduced Custom Instructions for ChatGPT. Source
July 19GPT-4OpenAI’s doubling the number of messages ChatGPT Plus customers can send to GPT-4. Source
July 06GPT-4 APIGPT-4 is Now Generally Available: What You Need to Know. Source
July 06Code InterpreterCode Interpreter will be available to all ChatGPT Plus users. Source
July 04Web BrowsingOpenAI Disables ChatGPT’s Web Browsing Feature Due to Misuse. Source
June 30ChatGPT iOS appChatGPT on iOS Gets a Major Update with Bing Integration. Source
June 29OpenAIOpenAI Sued for Scraping Private Data to Train ChatGPT. Source
June 21Credentials LeakedOver 100,000 ChatGPT Credentials Leaked, Users Urged to Change Passwords. Source
June 17Mercedes-BenzMercedes-Benz Brings Human-Like Chatbot to Vehicles with ChatGPT. Source
June 08ChatGPT iOS appOpenAI’s ChatGPT app for iOS has received a major update that includes improved iPad support and integration with Apple Shortcuts. Source
June 08GPT-5OpenAI CEO Sam Altman confirmed on Wednesday that the company is not currently training GPT-5, the successor to its powerful AI language model GPT-4. Source
May 30ChatGPT iOS appThe ChatGPT iOS app is now available in 152 countries and regions. Source
May 25OpenAIOpenAI Threatens to Leave EU Over AI Act. Source
May 19ChatGPT For iOSOpenAI has released an official ChatGPT app for iOS.
May 16OpenAIOpenAI CEO Calls for New AI Regulatory Agency to Protect Against Misuse.
May 13Web BrowsingThe web browsing feature in ChatGPT was introduced on May 12, 2023. This feature was initially available only to ChatGPT Plus users.
May 02OpenAIChatGPT creator says there’s 50% chance AI ends in ‘doom’. Source
Apr 28OpenAIOpenAI closes $300M share sale at $27B-29B valuation. Source
Apr 28Back In ItalyChatGPT back in Italy after OpenAI met regulators’ privacy demands. Source
Apr 19Data ProtectionGermany launches data protection inquiry over ChatGPT. Source
Apr 19OpenAIOpenAI CEO Sam Altman has said that the era of ever-larger artificial intelligence models is coming to an end, as cost constraints and diminishing returns curb the relentless scaling that has defined the field for years.Source
Mar 20ChatGPT outageOpenAI took ChatGPT offline earlier this week due to a bug in an open-source library which allowed some users to see titles from another active user’s chat history. It’s also possible that the first message of a newly-created conversation was visible in someone else’s chat history if both users were active around the same time. Source
Mar 23ChatGPT PluginsOpenAI implemented initial support for plugins in ChatGPT. Plugins are tools designed specifically for language models with safety as a core principle, and help ChatGPT access up-to-date information, run computations, or use third-party services. Source
Mar 14GPT-4 ReleaseOpenAI announced GPT-4, the latest milestone in OpenAI’s effort in scaling up deep learning. GPT-4 is a large multimodal model (accepting image and text inputs, emitting text outputs) that, while less capable than humans in many real-world scenarios, exhibits human-level performance on various professional and academic benchmarks. Source
Mar 01ChatGPT and Whisper APIsDevelopers can now integrate ChatGPT and Whisper models into their apps and products through our API. Source
Feb 07Google BardGoogle presents its own AI chatbot called Bard, which is similar to ChatGPT. Google CEO Sundar Pichai says that Bard is more powerful and reliable than ChatGPT, as it draws on information from the web to provide fresh, high-quality responses. Bard is part of a series of tools based on generative artificial intelligence that Google launches to the market at this time.
Feb 07Bing ChatGPTReinventing search with a new AI-powered Microsoft Bing and Edge, your copilot for the web. Source
Feb 05Anthropic/ClaudeGoogle is investing $300M in an OpenAI challenger that will take on ChatGPT while focusing on A.I. safety. Source
Feb 02100 million usersChatGPT reaches 100 million users two months after launch. Source
Feb 01ChatGPT PlusOpenAI launched a pilot subscription plan for ChatGPT. The new subscription plan, ChatGPT Plus, will be available for $20/month. Source
Jan 26ChatGPTChatGPT passes exams from law and business schools. Source
Jan 14MicrosoftMicrosoft in talks to acquire a 49% stake in ChatGPT owner OpenAI. Source
Jan 09MicrosoftMicrosoft is looking at OpenAI’s GPT for Word, Outlook, and PowerPoint. Source

2022

DateEventDetails
Nov 30ChatGPT releaseOpenAI released a model called ChatGPT, which interacts in a conversational way. The dialogue format makes it possible for ChatGPT to answer followup questions, admit its mistakes, challenge incorrect premises, and reject inappropriate requests. Source
Mar 15GPT-3.5 releaseOpenAI released GPT-3.5.

2020

DateEventDetails
June 11GPT-3 releaseOpenAI released GPT-3. GPT-3 contained even more parameters (around 116 times more than GPT-2), and was a stronger and faster version of its predecessors.
June 11OpenAI APIOpenAI released an API for accessing new AI models. Source

2019

DateEventDetails
Nov 05GPT-2: 1.5B releaseAs the final model release of GPT-2’s staged release, OpenAI’s releasing the largest version (1.5B parameters) of GPT-2 along with code and model weights to facilitate detection of outputs of GPT-2 models. Source
Aug 20GPT-2: 6-month follow-upOpenAI’s releasing the 774 million parameter GPT-2 language model after the release of our small 124M model in February, staged release of our medium 355M model in May, and subsequent research with partners and the AI community into the model’s potential for misuse and societal benefit. Source
July 22Microsoft invests in OpenAIMicrosoft invests in and partners with OpenAI to support them building beneficial AGI. Source
Feb 14GPT-2 ReleaseOpenAI trained a large-scale unsupervised language model which generates coherent paragraphs of text, achieves state-of-the-art performance on many language modeling benchmarks, and performs rudimentary reading comprehension, machine translation, question answering, and summarization, all without task-specific training. Source

2018

DateEventDetails
June 11GPT ReleaseImproving language understanding with unsupervised learning. Source

GPT Model Generations Explained

GPT-1 used generative pre-training to create one model that could handle many language tasks.

GPT-2 made generated text much more visible. Its staged release also put model misuse and release policy into the public conversation.

GPT-3 turned the GPT line into a practical platform. Its few-shot ability made prompt-based writing, coding, summarization, and analysis useful to developers and early AI products.

ChatGPT gave the public a normal chat interface for GPT models. Questions, draft revisions, explanations, and code no longer required developer tools.

GPT-4 raised expectations for accuracy, reasoning, and multimodal input. It also became the model that many paid ChatGPT users associated with serious work.

GPT-4o moved ChatGPT closer to real-time multimodal use. Text, audio, vision, and later image generation became part of the same product direction.

The o-series models put more emphasis on step-by-step reasoning. o1-preview, o3-mini, o3, and o4-mini were built for harder math, science, coding, visual reasoning, and tool-use tasks.

GPT-5 brought earlier model directions into one generation for ChatGPT, the API, and Codex. GPT-5.6 extended that path with Sol, Terra, and Luna tiers. GPT-6 Astra moved the family into a new generation focused on computer use, browsing, software engineering, science, professional work, and cybersecurity. GPT-6 Sol and Luna added faster, less expensive options. GPT-6.1 Sol improved coding, computer use, scientific tasks, and factual accuracy while retaining Sol’s standard API token prices.

Major ChatGPT Product Milestones

ChatGPT launched in November 2022 as a public research preview. The product was simple: a chat box, a model, and fast feedback from everyday users.

ChatGPT Plus arrived in February 2023 as the first paid consumer plan. Subscribers received better access during busy periods and earlier access to new features.

Plugins connected ChatGPT with outside tools and services. Later ChatGPT systems incorporated tool use and actions directly.

GPT-4o made multimodal ChatGPT feel more immediate. Voice, vision, faster responses, and later image generation became central parts of the product.

Canvas added a dedicated workspace for writing and coding inside ChatGPT. Drafts and code could be edited outside the message thread.

ChatGPT search brought current web information into the product, with source links for answers that depend on fresh information.

Dots introduced ongoing agent work through a cloud computer and connected apps, with activity review and action controls. ChatGPT Space gave teams shared pages and files where people, ChatGPT, Codex, and dots can work together.

Computer History added an optional source of personal context to the macOS desktop app. It can turn activity across selected apps and websites into memories and a timeline that help ChatGPT and Codex continue recent work.

ChatGPT for Teens added a learning-focused experience for teen users. Study Mode, responsible homework reminders, Quizzes, Learning Visualizations, and Study Hours support active learning, while default age-appropriate safeguards, parental controls, break reminders, and clear AI cues support safer, more balanced use.

ChatGPT for Healthcare connected authorized Epic records and official public healthcare datasets to a governed workspace. Clinical, research, and administrative teams can review patient context and structured information while existing permissions and enterprise controls remain in place.

Codex made software engineering a separate OpenAI product line. Developers can hand off coding tasks, inspect changes, and work across repositories.

Sora added video and audio generation to OpenAI’s product lineup. Sora 2 improved realism, physics, audio, and control.

ChatGPT Images made image generation and editing part of the ChatGPT workflow. GPT Image 1.5, ChatGPT Images 2.0, and ChatGPT Images 2.5 improved image quality, editing control, and generation speed. Images 2.5 also added Sketch, templates, direct image comments, and prompt sharing.

GPT-5.6 Luna extended the current model generation to Free and Go users. OpenAI announced Luna as their default model, with unlimited text chats subject to abuse guardrails and a Think button for questions that need more reasoning.

OpenAI Presence brought voice and chat agents into a managed enterprise deployment product. Companies define each agent’s job, system access, policies, approval requirements, and escalation rules. OpenAI and its deployment partners help test, launch, and improve the agent after it enters production.

OpenAI Daybreak grew from a cyber-defense access program into Daybreak for Frontline Defenders. OpenAI committed $1 billion in subsidized access, training, technical support, and partnerships for organizations protecting water, electricity, local government, banking, and other essential services.

Related Resources:

FAQs

Q: What is the latest general-purpose GPT model?
A: GPT-6.1 Sol is the newest general-purpose GPT model in this timeline. OpenAI introduced it on September 29, 2026. GPT-6 Astra is the most capable model in the family.

Q: Where can I use GPT-6.1 Sol?
A: Plus, Pro, Business, Enterprise, and Edu users can access it in ChatGPT Work and Codex. Developers can use gpt-6.1-sol through the API. It is not yet available in standard Chat.

Q: What are dots and ChatGPT Space?
A: Dots are ongoing agents that use a cloud computer and connected apps to work on tasks under user controls. Space is a shared home for pages, files, and collaboration with people and AI. Availability depends on plan and workspace settings.

Q: What are GPT-6 Sol and GPT-6 Luna?
A: GPT-6 Sol and Luna are lower-cost GPT-6 models released on September 22, 2026. Sol is designed for demanding professional, coding, and computer-use tasks. Luna is the fastest and least expensive model in the GPT-6 family. Both are available in ChatGPT Work, Codex, and the OpenAI API, while Luna is also available to Free and Go users in the desktop app.

Q: What is the Agents API?
A: The Agents API is OpenAI’s public-beta API for building and running cloud agents with the Codex harness. It supports managed or customer-selected sandboxes, tools, long-running sessions, and optional subagents. There is no separate platform fee; developers pay for tokens and tools used by their agents.

Q: What is GPT-Live-1?
A: GPT-Live-1 is a full-duplex voice model released in the API on September 10, 2026. It listens and speaks simultaneously, handles natural interruptions, and can delegate reasoning and tool calls to a backend model. The front-end voice layer costs $0.05 per minute.

Q: When was ChatGPT released?
A: ChatGPT was released on November 30, 2022, as a public research preview.

Q: Can Free users create scheduled tasks in ChatGPT?
A: Yes. OpenAI began rolling out scheduled tasks to Free users on August 25, 2026. Free users can create up to three tasks. Plus and Pro users can also create tasks that respond to changes in Slack, Gmail, and GitHub.

Q: What is ChatGPT for Teens?
A: ChatGPT for Teens is a learning-focused ChatGPT experience with Study Mode, responsible homework reminders, Quizzes, Learning Visualizations, and Study Hours. It also applies stronger default protections for users under 18, adds parent controls and healthy-use features, and automatically places users in the experience when OpenAI estimates they are under 18 or they state that they are 13 to 17.

Q: What is ChatGPT Images 2.5?
A: ChatGPT Images 2.5 is OpenAI’s image-generation and editing model released on September 8, 2026. It improves image detail, reference-photo fidelity, precise edits, and consistency across multiple edits, while reducing generation latency by up to 50% compared with Images 2.0. It is rolling out to ChatGPT, ChatGPT Work, and Codex users across all plans.

Q: Has OpenAI released Astra?
A: Yes. OpenAI released GPT-6 Astra on September 3, 2026. It began rolling out to a limited set of organizations and is expanding to ChatGPT Plus, Pro, Business, and Enterprise users, the OpenAI API, and AWS. Enterprise access is off by default at launch, and Pro, Business, and Enterprise plans also include GPT-6 Astra Pro.

Q: Can ChatGPT connect to Epic health records?
A: Yes, for supported organizational deployments. ChatGPT for Healthcare can use authorized patient context from Epic, and supported deployments can place ChatGPT inside an electronic health record layout. The Epic integration is not available to individual accounts.

Q: What is Daybreak for Frontline Defenders?
A: It is OpenAI’s $1 billion initiative to subsidize Daybreak cyber-model access, training, technical support, and partnerships for organizations that protect essential services. The program prioritizes resource-constrained defenders and includes a public-sector and water-focused pilot with MS-ISAC.

Q: Is GPT-5.6 available to free ChatGPT users?
A: OpenAI announced GPT-5.6 Luna as the default model for Free and Go users, with unlimited text chats subject to abuse guardrails and a Think button for harder questions. File uploads, images, and other tools have separate limits.

Q: Does ChatGPT Computer History record the screen or audio?
A: No. Computer History records interaction events and creates text summaries. It does not capture the screen or audio. The feature is off by default, and users control which apps and websites contribute.

Q: What is the difference between GPT and ChatGPT?
A: GPT is OpenAI’s model family. ChatGPT is the assistant product that uses GPT and other OpenAI models through chat, search, files, voice, images, and related tools.

Leave a Reply

Your email address will not be published. Required fields are marked *

Get the latest & top AI tools sent directly to your email.

Subscribe now to explore the latest & top AI tools and resources, all in one convenient newsletter. No spam, we promise!