DeepSeek V4.1 Flash 1017 vs GPT-5.5

DeepSeek V4.1 Flash 1017 against GPT-5.5
DeepSeek V4.1 Flash 1017GPT-5.5
Coding index70.371.3
Benchmarks behind it Verified, 4 benchmarks Verified, 5 benchmarks
Output $/Mtok$0.60$30.00
Cost per solved taskNot computable$1.65
Context window1.05M1.05M