Mistral Small 3 and Grok 3 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3 shipped 47 days before Grok 3 mini, so benchmark comparisons should account for the intervening progress.

Mistral Small 3 is open weight, while Grok 3 mini is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3 and Grok 3 mini don't publish scores on any of the same benchmarks.