OpenAI18 Dec 2025Model

GPT-5.2-Codex

Made by: OpenAI
Released: 18 Dec 2025
Announced in: Introducing GPT-5.2-Codexopenai.com
Event: GPT-5.2-Codex
API record: /api/v1/models/gpt-5-2-codex

Benchmark results

Benchmark	Score	Source check
SWE-bench Pro	56.4%	Corroborated The same number is printed in 1 other lab document: 1

Sources

Reported by OpenAI

Introducing GPT-5.2-Codexopenai.com · 18 Dec 2025
Our capture of the source

Events