GPT-5.2-Codex vs MiniMax M3

GPT-5.2-Codex against MiniMax M3
GPT-5.2-CodexMiniMax M3
Coding index45.439.2
Benchmarks behind it Verified, 3 benchmarks Verified, 6 benchmarks
Output $/Mtok$14.00$1.20
Cost per solved task$0.43$0.56
Context window400K1.05M