Frontier is available today, though only to an unspecified “limited set of customers, with broader availability coming over ...
OpenAI launches GPT-5.3-Codex with faster coding, stronger reasoning, and higher benchmark accuracy—plus API access soon.
OpenAI launched GPT-5.3-Codex as Anthropic released Claude Opus 4.6 in a simultaneous drop that kicks off the AI coding wars, ...
Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line ...
OpenAI has launched a new Codex desktop app aimed at helping developers manage multiple ...
OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...
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 ...