Gemini 3.1 Flash and Mistral Small 3.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.2 shipped 251 days before Gemini 3.1 Flash, so benchmark comparisons should account for the intervening progress.

Gemini 3.1 Flash is proprietary, while Mistral Small 3.2 is open weight.

Direct benchmark comparisons are unavailable — Gemini 3.1 Flash and Mistral Small 3.2 don't publish scores on any of the same benchmarks.