GPT-6 Luna vs Qwen3.5 Plus 2026-04-20

GPT-6 Luna against Qwen3.5 Plus 2026-04-20
GPT-6 LunaQwen3.5 Plus 2026-04-20
Coding index57.339.5
Benchmarks behind it Verified, 5 benchmarks Partial, 2 benchmarks
Output $/Mtok$0.50$1.80
Cost per solved taskNot computable$1.35
Context window1.05M1M