GPT-5.2-Codex vs Hy4

GPT-5.2-Codex against Hy4
GPT-5.2-CodexHy4
Coding index45.465.2
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$14.00$1.2505
Cost per solved task$0.43Not computable
Context window400K1.05M