name = "GPT-5.2 Codex"
description = "Code-specialist GPT for repository edits, reviews, and long-running software agents"
family = "gpt-codex"
release_date = "2025-12-11"
last_updated = "2025-12-11"
attachment = true
reasoning = true
temperature = false
tool_call = true
structured_output = true
knowledge = "2025-08-31"
open_weights = false

[limit]
context = 400_000
input = 272_000
output = 128_000

[modalities]
input = ["text", "image", "pdf"]
output = ["text"]

[[benchmarks]]
name = "SWE-Bench Pro"
score = 41.04
metric = "resolve rate"
dataset = "public"
source = "https://labs.scale.com/leaderboard/swe_bench_pro_public"