Codestral Mamba 7B and Grok 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral Mamba 7B shipped 216 days before Grok 3, so benchmark comparisons should account for the intervening progress.

Codestral Mamba 7B is open weight, while Grok 3 is proprietary.

Direct benchmark comparisons are unavailable — Codestral Mamba 7B and Grok 3 don't publish scores on any of the same benchmarks.