Mathstral 7B and Grok‑2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mathstral 7B shipped 29 days before Grok‑2, so benchmark comparisons should account for the intervening progress.

Mathstral 7B is open weight, while Grok‑2 is proprietary.

Direct benchmark comparisons are unavailable — Mathstral 7B and Grok‑2 don't publish scores on any of the same benchmarks.