GPT-5.2-Codex
by OpenAI
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, in
Models
GPT-5.2-Codex
Added 10 July 2026
Overview
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
How to use / API access
Call via OpenRouter with model id `openai/gpt-5.2-codex`.
- openrouter ·
openai/gpt-5.2-codexDocs
OpenRouter id: openai/gpt-5.2-codex
Benchmarks
- Intelligence Index (artificial-analysis): 28.5 index
- Design Arena androidnative (other): 1176 elo · #20
- Design Arena fullstack (other): 993 elo · #41
- Design Arena godotgamedev (other): 1142 elo · #24
- Design Arena mobileapps (other): 1089 elo · #40
Notes
GPT-5.2-Codex is listed in the EDNA Models directory from the OpenRouter catalogue.
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