Claude 2 and Mathstral 7B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2 shipped 371 days before Mathstral 7B, so benchmark comparisons should account for the intervening progress.

Claude 2 is proprietary, while Mathstral 7B is open weight.

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