DeepSeek V4 Pro 0813 vs GPT-5.4 Nano

DeepSeek V4 Pro 0813 against GPT-5.4 Nano
DeepSeek V4 Pro 0813GPT-5.4 Nano
Coding index56.144.8
Benchmarks behind it Verified, 5 benchmarks Partial, 2 benchmarks
Output $/Mtok$1.98$1.25
Cost per solved task$0.10$0.14
Context window1.05M400K