Is Gemini 3.1 Pro or Gemma 4 31B Garnet cheaper?

Gemini 3.1 Pro and Gemma 4 31B Garnet have comparable output pricing.

Which has the larger context window, Gemini 3.1 Pro or Gemma 4 31B Garnet?

Gemma 4 31B Garnet has the larger context window (262K tokens).

Gemini 3.1 Pro vs Gemma 4 31B Garnet

Both have similar output pricing, while Gemma 4 31B Garnet offers a larger context window. Choose Gemini 3.1 Pro or Gemma 4 31B Garnet based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Gemini 3.1 Pro	Gemma 4 31B Garnet
Provider	Google DeepMind	NanoGPT
Input / 1M tokens	—	$0.31
Output / 1M tokens	—	$0.31
Context window	—	262K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	May 2026

Gemini 3.1 Pro details →Gemma 4 31B Garnet details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.