GPT-5.1 vs GPT-5.2-Codex

GPT-5.1 against GPT-5.2-Codex
GPT-5.1GPT-5.2-Codex
Coding index40.445.4
Benchmarks behind it Verified, 3 benchmarks Verified, 3 benchmarks
Output $/Mtok$10.00$14.00
Cost per solved task$1.02$0.43
Context window400K400K