GPT-5.3-Codex vs Hy4

GPT-5.3-Codex against Hy4
GPT-5.3-CodexHy4
Coding index60.065.2
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$14.00$1.2505
Cost per solved task$0.59Not computable
Context window400K1.05M