Open AI

Coding and design with GPT-5

Learn how GPT-5 unlocks new possibilities in coding and design.

Introducing GPT-5

We are introducing GPT‑5, our best AI system yet. GPT‑5 is a significant leap in...

From hard refusals to safe-completions: toward output-c...

Discover how OpenAI's new safe-completions approach in GPT-5 improves both safet...

GPT-5 System Card

GPT-5 offers high reasoning performance, new controls for devs, and best-in-clas...

GPT-5 and the new era of work

GPT-5 is OpenAI’s most advanced model—transforming enterprise AI, automation, an...

Introducing GPT-5 for developers

Introducing GPT-5 in our API platform—offering high reasoning performance, new c...

Providing ChatGPT to the Entire U.S. Federal Workforce

Today, OpenAI for Government is announcing a new partnership with the U.S. Gener...

Introducing gpt-oss

We’re releasing gpt-oss-120b and gpt-oss-20b—two state-of-the-art open-weight la...

gpt-oss-120b & gpt-oss-20b Model Card

We introduce gpt-oss-120b and gpt-oss-20b, two open-weight reasoning models avai...

Open Weights and AI for All

AI’s next frontier isn’t just about capability—it’s about who gets to use it. Ou...

Estimating worst case frontier risks of open weight LLMs

In this paper, we study the worst-case frontier risks of releasing gpt-oss. We i...

What we’re optimizing ChatGPT for

We build ChatGPT to help you thrive in all the ways you want. Learn how we're im...

Figma uses AI to transform digital design

Discover how Figma is transforming digital design with AI. David Kossnick shares...

Introducing Stargate Norway

We’re launching Stargate Norway—OpenAI’s first AI data center initiative in Euro...

Three lessons for creating a sustainable AI advantage

Discover how Intercom built a scalable AI platform with 3 key lessons—from evalu...

Introducing study mode in ChatGPT

Introducing study mode in ChatGPT, a new learning experience that helps you work...

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