OpenAI
OpenAI is a U.S. artificial intelligence research and deployment company whose nonprofit foundation controls OpenAI Group PBC. It develops frontier AI models and products including ChatGPT, the OpenAI API, Codex, image and voice systems, and agentic tools.
$852B*16.7%increase
Key stats
- $280B
- —
- 33
- 8
- 80
- 34
- Sep 29, 2026
- Models
Recent releases
Sep 29, 2026GPT-6.1 Sol releasedModel release
OpenAI released GPT-6.1 Sol in the API as an updated workhorse model.
Sep 22, 2026GPT-6 Sol and GPT-6 Luna releasedModel release
OpenAI added GPT-6 Sol and GPT-6 Luna to the API as capability and efficiency tiers in the GPT-6 family.
Sep 10, 2026Agents API releasedAPI release
OpenAI released the Agents API as a unified platform interface for building and operating agentic applications.
Sep 8, 2026GPT-Image-2.5 Sunburst and Flare releasedModel release
OpenAI released GPT-Image-2.5 Sunburst and Flare as a new generation of image models.
Sep 3, 2026GPT-6 Astra releasedModel release
OpenAI released GPT-6 Astra, a frontier model positioned for its most demanding reasoning and agentic workloads.
Aug 21, 2026GPT-5.6 API pricing temporarily reducedPricing change
OpenAI reduced GPT-5.6 Sol API and credit pricing by more than 20% for three months, following earlier reductions for Terra and Luna.
Aug 10, 2026GPT-5.6 Cyber released for defensive securityModel release
OpenAI introduced GPT-5.6 Cyber for high-end defensive cybersecurity use through Daybreak.
Aug 10, 2026OpenAI Daybreak expandedProduct launch
OpenAI expanded Daybreak as a cyber-defense program and access platform for defensive security work.
Upcoming
Oct 5, 2026GPT-Rosalind billing beginsScheduledPricing change
OpenAI says billing for the trusted-access GPT-Rosalind research model begins on October 5, 2026, at $5 per million input tokens, $0.50 per million cached input tokens, and $25 per million output tokens.
Oct 23, 2026Legacy GPT-3.5 Turbo and GPT-4 snapshots shut downScheduledModel deprecation
OpenAI will remove gpt-3.5-turbo-0125 and gpt-4-0613 snapshot aliases from the API on October 23, 2026. The documented replacements are GPT-5.6 Terra and GPT-5.6 Sol respectively.
Oct 31, 2026OpenAI Evals becomes read-onlyScheduledAPI update
OpenAI says existing content on the deprecated Evals platform becomes read-only on October 31, 2026, ahead of the platform shutdown on November 30.
Nov 30, 2026OpenAI reusable Prompts API shuts downScheduledAPI update
OpenAI is scheduled to shut down the v1/prompts API and reusable prompt objects on November 30, 2026. The migration path is to keep prompt content in application code.
Nov 30, 2026OpenAI Evals platform shuts downScheduledAPI update
OpenAI is scheduled to shut down the Evals dashboard and API on November 30, 2026, after making existing evals read-only on October 31.
AI valuation history
$0
$250B
$500B
$750B
$1T
$157B
Oct 2, 2024
$300B
Mar 31, 2025
$730B
Feb 27, 2026
$852B
Mar 31, 2026
20252026
Models
| Model | Released | Open source |
|---|---|---|
| GPT-6.1 Sol | Sep 2026 | — |
| GPT-6 Luna | Sep 2026 | — |
| GPT-6 Sol | Sep 2026 | — |
| GPT-Image-2.5 Flare | Sep 2026 | — |
| GPT-Image-2.5 Sunburst | Sep 2026 | — |
| GPT-6Family | Sep 2026 | — |
Platforms & products
| Name | Type | Category | Launched | Status |
|---|---|---|---|---|
| Agents API | Platform | Coding | Sep 2026 | public-beta |
| OpenAI Daybreak | Platform | Coding | Aug 2026 | active |
| ChatGPT Work | Product | Text | Jul 2026 | active |
| Apps SDK | Platform | Coding | Oct 2025 | active |
| ChatGPT Apps | Platform | Other | Oct 2025 | active |
| ChatGPT agent | Product | Text | Jul 2025 | legacy |
| Codex | Platform | Coding | May 2025 | active |
| Codex CLI | Product | Coding | Apr 2025 | active |
| Agents SDK | Platform | Coding | Mar 2025 | active |
| Responses API | Platform | Text | Mar 2025 | active |
| Deep Research | Product | Text | Feb 2025 | active |
| Operator | Product | Other | Jan 2025 | integrated-into-chatgpt-agent |
| Sora app | Product | Video | Dec 2024 | discontinued |
| ChatGPT Pro | Product | Other | Dec 2024 | active |
| ChatGPT Search | Product | Text | Oct 2024 | active |
| ChatGPT Canvas | Product | Text | Oct 2024 | active |
| Realtime API | Platform | Audio | Oct 2024 | active |
| ChatGPT Advanced Voice | Product | Audio | Sep 2024 | legacy |
| SearchGPT | Product | Text | Jul 2024 | integrated-into-chatgpt |
| ChatGPT Edu | Product | Other | May 2024 | active |
| ChatGPT Business | Product | Other | Jan 2024 | active |
| GPT Store | Product | Other | Jan 2024 | legacy |
| Assistants API | Product | Other | Nov 2023 | deprecated |
| GPTs | Product | Other | Nov 2023 | active |
| ChatGPT Enterprise | Product | Other | Aug 2023 | active |
| Chat Completions API | Product | Text | Mar 2023 | active |
| ChatGPT Plus | Product | Other | Feb 2023 | active |
| ChatGPT | Platform | Text | Nov 2022 | active |
| OpenAI API | Platform | Text | Jun 2020 | active |
| OpenAI Playground | Product | Other | Jun 2020 | active |
| RL-Teacher | Product | Other | Aug 2017 | archived |
| OpenAI Baselines | Platform | Other | May 2017 | archived |
| OpenAI Universe | Platform | Other | Dec 2016 | discontinued |
| OpenAI Gym | Platform | Other | Apr 2016 | legacy |
Sources
- Jan 6, 2027 · Legacy OpenAI text-to-speech models are removed from the APIOpenAI API Deprecations
- Dec 11, 2026 · Custom GPTs retire across ChatGPT plansOpenAI Help Center
- Dec 1, 2026 · Older GPT Image models are removed from the APIOpenAI API Deprecations
- Nov 30, 2026 · OpenAI reusable Prompts API shuts downOpenAI API Documentation
- Nov 30, 2026 · OpenAI Evals platform shuts downOpenAI API Documentation
- Oct 31, 2026 · OpenAI Evals becomes read-onlyOpenAI API Documentation
- Oct 23, 2026 · Legacy GPT-3.5 Turbo and GPT-4 snapshots shut downOpenAI API Deprecations
- Oct 5, 2026 · GPT-Rosalind billing beginsOpenAI API Changelog
- Sep 29, 2026 · GPT-6.1 Sol releasedOpenAI Developer Platform
- Sep 22, 2026 · GPT-6 Sol and GPT-6 Luna releasedOpenAI Developer Platform
- Sep 10, 2026 · Agents API releasedOpenAI
- Sep 8, 2026 · GPT-Image-2.5 Sunburst and Flare releasedOpenAI
- Sep 3, 2026 · GPT-6 Astra releasedOpenAI
- Aug 21, 2026 · GPT-5.6 API pricing temporarily reducedOpenAI
- Aug 10, 2026 · GPT-5.6 Cyber released for defensive securityOpenAI
- Aug 10, 2026 · OpenAI Daybreak expandedOpenAI
- Jul 9, 2026 · ChatGPT Work launchedOpenAI
- Jul 9, 2026 · GPT-5.6 model family became generally availableOpenAI
- Jul 8, 2026 · GPT-Live-1 model family releasedOpenAI
- Jun 26, 2026 · GPT-5.6 Sol limited preview announcedOpenAI
- Jun 2, 2026 · Codex plugins and Sites workflow launchedOpenAI
- Apr 27, 2026 · OpenAI and Microsoft amend partnershipOpenAI
- Apr 26, 2026 · Sora product discontinuedOpenAI
- Apr 23, 2026 · GPT-5.5 and GPT-5.5 Pro releasedOpenAI
- Apr 21, 2026 · ChatGPT Images 2.0 releasedOpenAI
- Mar 31, 2026 · OpenAI closes $122 billion funding at $852 billion post-money valuationOpenAI
- Mar 17, 2026 · GPT-5.4 mini and nano releasedOpenAI
- Mar 5, 2026 · GPT-5.4 and GPT-5.4 Pro releasedOpenAI
- Feb 27, 2026 · OpenAI and Amazon announce strategic partnershipOpenAI
- Feb 27, 2026 · OpenAI announces $110 billion investment at $730 billion pre-money valuationOpenAI
- Feb 12, 2026 · GPT-5.3-Codex-Spark research preview releasedOpenAI
- Feb 5, 2026 · GPT-5.3-Codex releasedOpenAI
- Dec 18, 2025 · GPT-5.2-Codex releasedOpenAI
- Dec 17, 2025 · ChatGPT app submissions opened to developersOpenAI
- Dec 11, 2025 · GPT-5.2 releasedOpenAI
- Nov 13, 2025 · GPT-5.1 releasedOpenAI
- Nov 3, 2025 · OpenAI and AWS announce strategic partnershipOpenAI
- Oct 28, 2025 · OpenAI completes recapitalizationOpenAI
- Oct 6, 2025 · Codex became generally availableOpenAI
- Oct 6, 2025 · Apps in ChatGPT launchedOpenAI
- Oct 6, 2025 · Apps SDK preview releasedOpenAI
- Sep 30, 2025 · Sora 2 releasedOpenAI
- Sep 23, 2025 · Five new Stargate sites announcedOpenAI
- Sep 22, 2025 · OpenAI signs NVIDIA systems partnershipOpenAI
- Sep 11, 2025 · OpenAI outlines nonprofit-controlled public benefit corporation structureOpenAI
- Aug 7, 2025 · GPT-5 model family releasedOpenAI
- Aug 5, 2025 · gpt-oss open-weight models releasedOpenAI
- Jul 17, 2025 · ChatGPT agent launchedOpenAI
- Jun 10, 2025 · OpenAI o3-pro releasedOpenAI
- May 21, 2025 · Responses API gains remote MCP, image generation, and Code InterpreterOpenAI
- May 16, 2025 · Codex cloud coding agent research preview launchedOpenAI
- Apr 23, 2025 · GPT Image 1 released in the APIOpenAI
- Apr 16, 2025 · Codex CLI releasedOpenAI
- Apr 16, 2025 · OpenAI o4-mini releasedOpenAI
- Apr 16, 2025 · OpenAI o3 releasedOpenAI
- Apr 14, 2025 · GPT-4.1 model family releasedOpenAI
- Mar 31, 2025 · OpenAI announces $40 billion funding at $300 billion valuationOpenAI
- Mar 25, 2025 · Native GPT-4o image generation launchedOpenAI
- Mar 11, 2025 · Agents SDK releasedOpenAI
- Mar 11, 2025 · Responses API launchedOpenAI
- Feb 27, 2025 · GPT-4.5 research preview releasedOpenAI
- Feb 2, 2025 · Deep research launched in ChatGPTOpenAI
- Jan 31, 2025 · OpenAI o3-mini releasedOpenAI
- Jan 23, 2025 · Operator research preview launchedOpenAI
- Jan 21, 2025 · The Stargate Project announcedOpenAI
- Dec 9, 2024 · Sora launched as a product with Sora TurboOpenAI
- Dec 5, 2024 · ChatGPT Pro launchedOpenAI
- Dec 5, 2024 · OpenAI o1 releasedOpenAI
- Oct 31, 2024 · ChatGPT Search launchedOpenAI
- Oct 3, 2024 · Canvas introduced in ChatGPTOpenAI
- Oct 2, 2024 · OpenAI raises $6.6 billion at $157 billion valuationReuters
- Oct 1, 2024 · Realtime API public beta launchedOpenAI
- Sep 24, 2024 · Advanced Voice Mode rollout beganOpenAI
- Sep 12, 2024 · OpenAI o1-preview and o1-mini releasedOpenAI
- Jul 25, 2024 · SearchGPT prototype launchedOpenAI
- Jul 18, 2024 · GPT-4o mini releasedOpenAI
- Jun 10, 2024 · OpenAI and Apple announce partnershipOpenAI
- May 30, 2024 · ChatGPT Edu launchedOpenAI
- May 13, 2024 · GPT-4o releasedOpenAI
- Feb 15, 2024 · Sora research preview announcedOpenAI
- Jan 25, 2024 · Third-generation embedding models releasedOpenAI
- Jan 10, 2024 · ChatGPT Team launchedOpenAI
- Jan 10, 2024 · GPT Store launchedOpenAI
- Nov 29, 2023 · Sam Altman returns as CEO and new initial board formedOpenAI
- Nov 17, 2023 · Sam Altman removed as CEOOpenAI
- Nov 6, 2023 · Custom GPTs introducedOpenAI
- Nov 6, 2023 · Assistants API launched in betaOpenAI
- Nov 6, 2023 · GPT-4 Turbo announced at DevDayOpenAI
- Oct 19, 2023 · DALL-E 3 launched in ChatGPT Plus and EnterpriseOpenAI
- Aug 28, 2023 · ChatGPT Enterprise launchedOpenAI
- Mar 23, 2023 · ChatGPT plugins introducedOpenAI
- Mar 14, 2023 · GPT-4 releasedOpenAI
- Mar 1, 2023 · Whisper API releasedOpenAI
- Mar 1, 2023 · Chat Completions API and gpt-3.5-turbo releasedOpenAI
- Feb 1, 2023 · ChatGPT Plus launchedOpenAI
- Jan 23, 2023 · OpenAI and Microsoft extend partnershipOpenAI
- Dec 15, 2022 · text-embedding-ada-002 releasedOpenAI
- Nov 30, 2022 · ChatGPT launched as a research previewOpenAI
- Sep 28, 2022 · DALL-E beta opened without a waitlistOpenAI
- Sep 21, 2022 · Whisper releasedOpenAI
- Apr 6, 2022 · DALL-E 2 introducedOpenAI
- Jan 27, 2022 · InstructGPT introducedOpenAI
- Jan 25, 2022 · Text and code embeddings introducedOpenAI
- Aug 10, 2021 · OpenAI Codex introducedOpenAI
- Jan 5, 2021 · CLIP introducedOpenAI
- Jan 5, 2021 · DALL-E introducedOpenAI
- Jun 11, 2020 · OpenAI API launched in private betaOpenAI
- May 28, 2020 · GPT-3 research publishedOpenAI
- Apr 30, 2020 · Jukebox releasedOpenAI
- Nov 5, 2019 · GPT-2 1.5B full model releasedOpenAI
- Aug 20, 2019 · GPT-2 774M model releasedOpenAI
- Jul 22, 2019 · Microsoft invests $1 billion and partners with OpenAIOpenAI
- Apr 25, 2019 · MuseNet introducedOpenAI
- Apr 15, 2019 · OpenAI Five defeats Dota 2 world championsOpenAI
- Mar 11, 2019 · OpenAI LP establishedOpenAI
- Feb 14, 2019 · GPT-2 announced with staged releaseOpenAI
- Jun 25, 2018 · OpenAI Five unveiledOpenAI
- Jun 11, 2018 · Improving language understanding by generative pre-trainingOpenAI
- Aug 3, 2017 · RL-Teacher code releasedOpenAI
- Jul 20, 2017 · Proximal Policy Optimization introducedOpenAI
- Jun 13, 2017 · Learning from human preferences research publishedOpenAI
- May 24, 2017 · OpenAI Baselines releasedOpenAI
- Dec 5, 2016 · OpenAI Universe releasedOpenAI
- Apr 27, 2016 · OpenAI Gym beta releasedOpenAI
- Dec 11, 2015 · OpenAI foundedOpenAI
* Market cap / valuation. Company values are AI-attributed: the latest market cap or valuation × the share attributed to AI (100% for pure AI companies). Methodology