GPT-5 Codex
GPT-5 Codex is an AI model published by OpenAI, released on 2025-09-15, for Coding model, and 400K context length, under the 不开源 license, with a 78.24 score on LiveBench.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
GPT-5 Codex currently shows benchmark results led by LiveBench (5 / 52, score 78.24), SWE-bench Verified (36 / 108, score 74.50). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.
GPT-5 Codex is an AI model published by OpenAI, released on 2025-09-15, for Coding model, and 400K context length, under the 不开源 license, with a 78.24 score on LiveBench.
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