DeepSeek V4 Flash 0731 vs Qwen3.5 Plus 2026-04-20

DeepSeek V4 Flash 0731 against Qwen3.5 Plus 2026-04-20
DeepSeek V4 Flash 0731Qwen3.5 Plus 2026-04-20
Coding index51.839.5
Benchmarks behind it Verified, 4 benchmarks Partial, 2 benchmarks
Output $/Mtok$0.396$1.80
Cost per solved task$0.01$1.35
Context window1.05M1M