GPT-5.3-Codex

Expanding Codex to the full spectrum of computer work

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Screenshots

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Hunter's comment

Advances the frontier of coding and computer work. SOTA on SWE-Bench Pro (57%) and OSWorld (64%). Features mid-task steerability (interact while it works), 25% faster speeds, and "High" capabilities in cybersecurity.

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Link

https://openai.com/index/introducing-gpt-5-3-codex/?ref=producthunt

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