OpenAI GPT-5.1 Codex
OpenAI GPT-5.1 Codex is an AI model published by OpenAI, released on 2025-11-14, for Coding model, and 400K context length, under the 不开源 license, with a 85.50 score on LiveCodeBench.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
GPT-5.1 Codex currently shows benchmark results led by Terminal-Bench (2 / 35, score 56.30), LiveCodeBench (15 / 120, score 85.50), SWE-bench Verified (54 / 108, score 70.40). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.
OpenAI GPT-5.1 Codex is an AI model published by OpenAI, released on 2025-11-14, for Coding model, and 400K context length, under the 不开源 license, with a 85.50 score on LiveCodeBench.
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