Codex is moving fast

And we’re not slowing down. Catch up on what we just shipped for Codex developers. We introduced the Codex app, a command center for working with multiple agents at once: You asked, we listened. The Codex app is coming to Windows 😉 Meet GPT-5.3-Codex, the first model that was also instrumental in creating itself. It runs 25% faster: Codex shows up where you already build: And with that, we hope you enjoy your weekend shipping with Codex: We are just getting started. Follow @OpenAIDevs on X to stay up to date.