GPT-5.6 Luna vs Qwen3.5 Plus 2026-04-20

GPT-5.6 Luna against Qwen3.5 Plus 2026-04-20
GPT-5.6 LunaQwen3.5 Plus 2026-04-20
Coding index58.039.5
Benchmarks behind it Verified, 6 benchmarks Partial, 2 benchmarks
Output $/Mtok$1.20$1.80
Cost per solved task$0.04$1.35
Context window1.05M1M