Whether any Canadian competitor wants to turn this friendly competition into a brawl is the great unknown. Again, America ...

The new model is build to accelerate the capabilities of Codex, the agentic coding tool OpenAI launched earlier this week.

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line ...

Dan tested Codex 5.3 on Proof, a macOS markdown editor that he's been vibe coding that tracks the origin of every piece of text—whether it was written by a human or generated by AI—and lets users ...