GPT-5.2 vs Hy4 preview

GPT-5.2 against Hy4 preview
GPT-5.2Hy4 preview
Coding index55.944.3
Benchmarks behind it Verified, 3 benchmarks Verified, 3 benchmarks
Output $/Mtok$14.00$2.501
Cost per solved task$1.91Not computable
Context window400K1.05M