GPT-6.1 Terra vs Qwen3.5 Plus 2026-04-20

GPT-6.1 Terra against Qwen3.5 Plus 2026-04-20
GPT-6.1 TerraQwen3.5 Plus 2026-04-20
Coding index77.439.5
Benchmarks behind it Verified, 4 benchmarks Partial, 2 benchmarks
Output $/Mtok$5.00$1.80
Cost per solved taskNot computable$1.35
Context window1.05M1M