Ministral 8B and Grok 3 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Ministral 8B shipped 139 days before Grok 3, so benchmark comparisons should account for the intervening progress.

Ministral 8B is open weight, while Grok 3 is proprietary.

Direct benchmark comparisons are unavailable — Ministral 8B and Grok 3 don't publish scores on any of the same benchmarks.