GPT-5.4 vs Qwen3.5 Plus 2026-04-20

GPT-5.4 against Qwen3.5 Plus 2026-04-20
GPT-5.4Qwen3.5 Plus 2026-04-20
Coding index64.439.5
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$15.00$1.80
Cost per solved task$1.02$1.35
Context window1.05M1M