Introducing GPT-5.3-Codex
OpenAI Blog
February 04, 2026 at 07:00 PM
📌 GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.
GPT-5.3-Codex is a Codex-native agent that pairs frontier coding performance with general reasoning to support long-horizon, real-world technical work.
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OpenAI Blog
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