OpenAI

Work with Codex from anywhere

Codex is now in preview in the ChatGPT mobile app so you can monitor, steer, and approve coding tasks in real time across devices and remote environments.

Announcement · AI · AI Agents · Developer Tools · OpenAI

Is Meta’s Muse secretly running an OpenAI model?

Is Meta’s Muse secretly running an OpenAI model? I found a model labeled azure/muse-special while Muse was building my website.

Blog post · AI · LLMs · OpenAI

On the Navier–Stokes Millennium Prize Problem

Simon Willison documents OpenAI's claim to have resolved the Navier-Stokes Millennium Prize Problem using an internal model in under four days, and the ethical controversy that followed. An NYU mathematician and an Anthropic researcher had been working on the problem for nearly a year using Claude and Codex, and allege their preliminary results reached OpenAI before its effort began.

Blog post · Mathematics · AI · LLMs · OpenAI