Home/Models/GPT-5 Codex
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GPT-5 Codex

by OpenAI · Released Sep 2025

Multimodal
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Context
400K tokens (~200 books)
Input $/1M
$1.25
Output $/1M
$10.00
Type
multimodal
License
Proprietary
Benchmarks
0 tested
Data as of
About

GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

No benchmark data available yet.

Links
Documentation
Community
BenchGecko API
gpt-5-codex
Specifications
  • Typemultimodal
  • Context400K tokens (~200 books)
  • ReleasedSep 2025
  • LicenseProprietary
  • StatusActive
  • Cost / Message~$0.013
Available On
OpenAI logoOpenAI$1.25
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GPT-5 Codex is a proprietary multimodal AI model by OpenAI, released in September 2025. Context window: 400K tokens.

Key facts · as of 2026-07-11

  • GPT-5 Codex by OpenAI. Not enough public benchmark scores to rank yet.
  • List price $1.25 input · $10.00 output per 1M tokens (as of 2026-07-11).

How to cite · data as of 2026-07-11

GPT-5 Codex · benchmarks, pricing and providers. BenchGecko, data as of 2026-07-11. https://benchgecko.ai/model/gpt-5-codex

Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP