OpenAI GPT-5.4 is rumored after a Codex demo leak; GPT-5.3 is already in Codex, raising release timing questions.

At the start of February, OpenAI upgraded its Codex coding app to give it the ability to manage multiple AI agents. At the ...

Insiders reveal how OpenAI’s rapidly growing coding agent works, why developers are delegating tasks to it, and what it means ...

Ready to start your vibe-coding adventure? A few weeks after its debut on Mac, the Windows version of OpenAI’s Codex app has finally arrived.

One month after it released a standalone Codex app on the Mac, OpenAI announced a version for Windows. The company reports that the Mac app has been downloaded over one million times since its initial ...

GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...

OpenAI launches a Mac-only Codex app as an agent command center. Sandbox controls limit folder writes and network access for safer use. Switching between IDE, terminal, and app keeps context across ...

In a major shift in its hardware strategy, OpenAI launched GPT-5.3-Codex-Spark, its first production AI model deployed on ...