DeepSeek V4 Flash 0731 vs GPT-5

DeepSeek V4 Flash 0731 against GPT-5
DeepSeek V4 Flash 0731GPT-5
Coding index51.838.8
Benchmarks behind it Verified, 4 benchmarks Verified, 3 benchmarks
Output $/Mtok$0.396$10.00
Cost per solved task$0.01$0.39
Context window1.05M400K