OpenAI Blog
Jul 23, 2025
Announcing OpenAI DevDay 2025
We’re hosting our third annual OpenAI DevDay on October 6, 2025 at Fort Mason in San Francisco.
DevDay 2026 Recap
The OpenAI DevDay 2026 recap highlights over 20 new announcements, featuring the GPT‑6 Astra model, updates to ChatGPT and Codex, expanded APIs, enhanced security measures, and fresh tools designed for developers.
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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.
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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.
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Sep 9
GPT-6 Astra: The next generation in intelligence for work
OpenAI introduces GPT‑6 Astra, its most capable model for business. The new model boasts advanced reasoning, computer use, and improved writing and design judgment. It is positioned as the next generation of intelligence for work.
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Jun 11, 2020
OpenAI API
We’re releasing an API for accessing new AI models developed by OpenAI.
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Nov 17, 2025
OpenAI named Emerging Leader in Generative AI
OpenAI has been named an Emerging Leader in Gartner’s 2025 Innovation Guide for Generative AI Model Providers. The recognition reflects our enterprise momentum, with over 1 million companies building with ChatGPT.
OpenAI Blog
Jul 9, 2020
OpenAI Scholars 2020: Final projects
Our third class of OpenAI Scholars presented their final projects at virtual Demo Day, showcasing their research results from over the past five months.
OpenAI Blog
Aug 10
Expanding Daybreak as the Cyber Defense Window Narrows
Meet GPT-5. 6-Cyber, OpenAI’s cybersecurity-specific model available through Daybreak Red for authorized vulnerability research, exploit validation, and security testing.
OpenAI Blog
Oct 7, 2025
Disrupting malicious uses of AI: October 2025
Discover how OpenAI is detecting and disrupting malicious uses of AI in our October 2025 report. Learn how we’re countering misuse, enforcing policies, and protecting users from real-world harms.
OpenAI Blog
Jan 29
Retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and OpenAI o4-mini in ChatGPT
On February 13, 2026, alongside the previously announced retirement of GPT‑5 (Instant, Thinking, and Pro), we will retire GPT‑4o, GPT‑4. 1, GPT‑4.
OpenAI Blog
Apr 24, 2025
New in ChatGPT for Business: April 2025
Watch hands-on demos of the lastest in ChatGPT for Business: o3, image generation, enhanced memory, and internal knowledge.
OpenAI Blog
May 23, 2019
OpenAI Scholars 2019: Final projects
Our second class of OpenAI Scholars has concluded, with all eight scholars producing an exciting final project showcased at Scholars Demo Day at OpenAI.