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OpenAI: GPT-5.1-Codex

modeltested · static-verifiedscore 20/100signed passport ✓published 343d ago · verified 2026-10-20

GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

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model:openrouter:openai/gpt-5.1-codex