DeepSeek Chat (R1-based) and Codestral 25.01 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 25.01 shipped 7 days before DeepSeek Chat (R1-based), so benchmark comparisons should account for the intervening progress.

DeepSeek Chat (R1-based) is open weight, while Codestral 25.01 is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Chat (R1-based) and Codestral 25.01 don't publish scores on any of the same benchmarks.