GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

The Codex app for Windows already has over 500,000 developers in waitlist. Here's everything you need to know.

OpenAI today released the Codex app for Windows, powered by OpenAI’s frontier coding models, and it’s now the only coding agent with a first-class Windows experience.

OpenAI has now released the Codex software for Windows devices, after the release of a dedicated Codex program for macOS ...