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 launched GPT-5.3-Codex as Anthropic released Claude Opus 4.6 in a simultaneous drop that kicks off the AI coding wars, ...
OpenAI launches GPT-5.3-Codex with faster coding, stronger reasoning, and higher benchmark accuracy—plus API access soon.
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