GPT-5.6 Terra vs Hy4

GPT-5.6 Terra against Hy4
GPT-5.6 TerraHy4
Coding index63.865.2
Benchmarks behind it Verified, 6 benchmarks Partial, 2 benchmarks
Output $/Mtok$12.00$1.2505
Cost per solved task$0.42Not computable
Context window1.05M1.05M