Gemini 3.1 Pro Preview vs Gemini 4 Hydrogen

Gemini 3.1 Pro Preview against Gemini 4 Hydrogen
Gemini 3.1 Pro PreviewGemini 4 Hydrogen
Coding index32.377.9
Benchmarks behind it Verified, 4 benchmarks Verified, 4 benchmarks
Output $/Mtok$12.00$7.50
Cost per solved task$0.99Not computable
Context window1.05M1.05M