With GPT-5.3-Codex, OpenAI pitches Codex for more than just writing code

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

OpenAI releases GPT-5.3-Codex, a coding model that helped build itself

Anthropic, one of OpenAI's chief rivals, also released a new coding model today, Claude Opus 4.6. Earlier this week, OpenAI ...

OpenAI launches new agentic coding model only minutes after Anthropic drops its own

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

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new

OpenAI has a published Preparedness Framework, which it uses for measuring and protecting against severe harm from frontier AI capabilities. In the blog post announcing GPT-5.3-Codex, the company says ...

Roblox brings 4D creation tools to its open-source AI model, and it looks about as good as you'd expect

Roblox launched its generative Cube Foundation Model last year, and has now expanded its functionality to bring 3D objects to life with AI.
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Now More Fun at Parties

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 ...