Gemini 3.6 Flash vs Grok 4.20

Gemini 3.6 Flash against Grok 4.20
Gemini 3.6 FlashGrok 4.20
Coding index62.533.3
Benchmarks behind it Verified, 4 benchmarks Partial, 2 benchmarks
Output $/Mtok$3.75$2.50
Cost per solved task$1.49$0.72
Context window1.05M2M