GPT-5.6 Sol vs Hy4 preview

GPT-5.6 Sol against Hy4 preview
GPT-5.6 SolHy4 preview
Coding index73.544.3
Benchmarks behind it Verified, 6 benchmarks Verified, 3 benchmarks
Output $/Mtok$20.00$2.501
Cost per solved task$1.20Not computable
Context window1.05M1.05M