OpenAI Blog
Jul 29
How GPT-5.6 fuses frontier intelligence with frontier efficiency
GPT-5. 6 improves AI efficiency across models, inference, and agentic workflows, helping deliver more useful intelligence per dollar.
GPT-5.6: Frontier intelligence that scales with your ambition
More intelligence from every token, stronger performance per dollar, and more capability on demand for your hardest work.
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Sep 22
Introducing GPT-6 Sol and Luna
OpenAI introduces GPT‑6 Sol and Luna, two new models designed to bring frontier intelligence to everyday work. The models offer different balances of capability and cost, allowing users to choose the level of performance that best fits their needs.
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Apr 23
Introducing GPT-5.5
Introducing GPT-5. 5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools.
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Aug 7, 2025
Introducing GPT-5
We are introducing GPT‑5, our best AI system yet. GPT‑5 is a significant leap in intelligence over all our previous models, featuring state-of-the-art performance across coding, math, writing, health, visual perception, and more.
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Feb 5
Introducing GPT-5.3-Codex
GPT-5. 3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.
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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.
OpenAI Blog
Mar 5
Introducing GPT-5.4
Introducing GPT-5. 4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context.
OpenAI Blog
Dec 11, 2025
Introducing GPT-5.2
GPT-5. 2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision.
OpenAI Blog
Aug 13
The builder’s guide to GPT‑5.6
Learn how startups use GPT-5. 6 to build faster, more cost-efficient AI agents with smarter model selection and new Responses API capabilities.
OpenAI Blog
Nov 13, 2025
Introducing GPT-5.1 for developers
GPT-5. 1 is now available in the API, bringing faster adaptive reasoning, extended prompt caching, improved coding performance, and new apply_patch and shell tools.
OpenAI Blog
Aug 7, 2025
Introducing GPT-5 for developers
Introducing GPT-5 in our API platform—offering high reasoning performance, new controls for devs, and best-in-class results on real coding tasks.
OpenAI Blog
Aug 7, 2025
First look at GPT-5
See how a group of leading developers use GPT-5 for the first time.