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, with a 74.50 score on SWE-bench Verified.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
Model basics
Open source & experience
Official resources
API details
| Type | Condition | Input | Output |
|---|---|---|---|
| Text | - | $1.25/ 1M | $10.00/ 1M |
| Type | TTL | Write | Read |
|---|---|---|---|
| Text | - | $0.0000/ 1M | $0.125/ 1M |
Benchmark Results
GPT-5 Codex currently shows benchmark results led by SWE-bench Verified (40 / 112, 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.
Coding and Software Engineer
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Publisher
Model Overview
GPT-5 Codex is an AI model published by OpenAI, released on 2025-09-15, for Coding model, and 400K context length, with a 74.50 score on SWE-bench Verified.
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