DeepSeek V4 Flash 0731 vs GPT-5.2

DeepSeek V4 Flash 0731 against GPT-5.2
DeepSeek V4 Flash 0731GPT-5.2
Coding index51.855.9
Benchmarks behind it Verified, 4 benchmarks Verified, 3 benchmarks
Output $/Mtok$0.396$14.00
Cost per solved task$0.01$1.91
Context window1.05M400K