DeepSeek V3.1 and Mistral Large don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Large shipped 542 days before DeepSeek V3.1, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 is open weight, while Mistral Large is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V3.1 and Mistral Large don't publish scores on any of the same benchmarks.