Mistral Medium 3 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium 3 shipped 147 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Mistral Medium 3 is proprietary, while Kimi Linear is open weight.

Direct benchmark comparisons are unavailable — Mistral Medium 3 and Kimi Linear don't publish scores on any of the same benchmarks.