DeepSeek V3 Base and Magistral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3 Base shipped 167 days before Magistral Small, so benchmark comparisons should account for the intervening progress.

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

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