Gemini 3.5 Flash vs GPT-5.1

Gemini 3.5 Flash against GPT-5.1
Gemini 3.5 FlashGPT-5.1
Coding index39.840.4
Benchmarks behind it Verified, 4 benchmarks Verified, 3 benchmarks
Output $/Mtok$9.00$10.00
Cost per solved task$1.21$1.02
Context window1.05M400K