Gemini 3.5 Flash Cyber and Mistral Small 3.1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.1 shipped 491 days before Gemini 3.5 Flash Cyber, so benchmark comparisons should account for the intervening progress.

Gemini 3.5 Flash Cyber is proprietary, while Mistral Small 3.1 is open weight.

Direct benchmark comparisons are unavailable — Gemini 3.5 Flash Cyber and Mistral Small 3.1 don't publish scores on any of the same benchmarks.