OpenAI Blog
Jan 23, 2023
OpenAI and Microsoft extend partnership
We’re happy to announce that OpenAI and Microsoft are extending our partnership.
OpenAI licenses GPT-3 technology to Microsoft
OpenAI has agreed to license GPT-3 to Microsoft for their own products and services.
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OpenAI and Apple announce partnership
OpenAI and Apple announce partnership to integrate ChatGPT into Apple experiences.
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The next phase of the Microsoft OpenAI partnership
OpenAI and Microsoft announce an amended agreement that simplifies the partnership, adds long-term clarity, and supports continued AI innovation at scale.
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Oct 28, 2025
The next chapter of the Microsoft–OpenAI partnership
Microsoft and OpenAI sign a new agreement that strengthens its long-term partnership, expands innovation, and ensures responsible AI progress.
OpenAI Blog
May 23, 2025
Addendum to OpenAI o3 and o4-mini system card: OpenAI o3 Operator
We are replacing the existing GPT-4o-based model for Operator with a version based on OpenAI o3. The API version will remain based on 4o.
OpenAI Blog
Oct 22, 2025
The next chapter for UK sovereign AI
OpenAI expands its UK partnership with a new Ministry of Justice agreement, bringing ChatGPT to civil servants. It also introduces UK data residency for ChatGPT Enterprise, ChatGPT Edu, and the API Platform to support trusted and secure AI adoption.
OpenAI Blog
Feb 27, 2025
OpenAI GPT-4.5 System Card
We’re releasing a research preview of OpenAI GPT‑4. 5, our largest and most knowledgeable model yet.
OpenAI Blog
Jul 24, 2025
Resolving digital threats 100x faster with OpenAI
Discover how Outtake uses GPT-4. 1 and OpenAI o3 to power AI agents that detect and resolve digital threats 100x faster than before.
OpenAI Blog
Jun 26
Previewing GPT-5.6 Sol: a next-generation model
OpenAI previews GPT-5. 6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.
OpenAI Blog
Apr 22
Making ChatGPT better for clinicians
OpenAI makes ChatGPT for Clinicians free for verified U. S.
OpenAI Blog
Apr 28
OpenAI models, Codex, and Managed Agents come to AWS
OpenAI GPT models, Codex, and Managed Agents are now available on AWS, enabling enterprises to build secure AI in their AWS environments.
OpenAI Blog
Feb 27
Joint Statement from OpenAI and Microsoft
Microsoft and OpenAI continue to work closely across research, engineering, and product development, building on years of deep collaboration and shared success.