DeepSeek V2.5 and Mistral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small shipped 188 days before DeepSeek V2.5, so benchmark comparisons should account for the intervening progress.

DeepSeek V2.5 is open weight, while Mistral Small is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V2.5 and Mistral Small don't publish scores on any of the same benchmarks.