Mistral Small and Kimi-Dev don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small shipped 461 days before Kimi-Dev, so benchmark comparisons should account for the intervening progress.

Mistral Small is proprietary, while Kimi-Dev is open weight.

Direct benchmark comparisons are unavailable — Mistral Small and Kimi-Dev don't publish scores on any of the same benchmarks.