DeepSeek V3 Chat and Magistral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3 Chat shipped 191 days before Magistral Small, so benchmark comparisons should account for the intervening progress.

DeepSeek V3 Chat is open weight, while Magistral Small is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V3 Chat and Magistral Small don't publish scores on any of the same benchmarks.