Posts

Collective alignment: public input on our Model Spec

OpenAI surveyed over 1,000 people worldwide on how AI should behave and compa...

Mixi reimagines communication with ChatGPT

Discover how MIXI, a leader in digital entertainment and lifestyle services i...

From hard refusals to safe-completions: toward outpu...

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

Introducing gpt-oss

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

Open Weights and AI for All

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

What we’re optimizing ChatGPT for

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

Figma uses AI to transform digital design

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

Introducing study mode in ChatGPT

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

Customizable, no-code voice agent automation with GP...

Retell AI is transforming the call center with AI voice automation powered by...

Toward understanding and preventing misalignment gen...

We study how training on incorrect responses can cause broader misalignment i...

Addendum to OpenAI o3 and o4-mini system card: OpenA...

We are replacing the existing GPT-4o-based model for Operator with a version ...

Addendum to o3 and o4-mini system card: Codex

Codex is a cloud-based coding agent. Codex is powered by codex-1, a version o...

The San Antonio Spurs use ChatGPT to scale impact on...

Discover how the San Antonio Spurs are using custom GPTs to enhance fan engag...

Sycophancy in GPT-4o: what happened and what we’re d...

We have rolled back last week’s GPT‑4o update in ChatGPT so people are now us...

OpenAI o3 and o4-mini System Card

OpenAI o3 and OpenAI o4-mini combine state-of-the-art reasoning with full too...

Detecting misbehavior in frontier reasoning models

Frontier reasoning models exploit loopholes when given the chance. We show we...