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GPT-5.3-Codex

Expanding Codex to the full spectrum of computer work

173upvotes

Launched February 6, 2026

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About GPT-5.3-Codex

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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Category🤖 AI Assistants

Upvotes173

Comments4

Launched2/6/2026

Topics

ProductivityArtificial IntelligenceDevelopment

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