Claude Instant 1.2 and Ministral 3B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude Instant 1.2 shipped 419 days before Ministral 3B, so benchmark comparisons should account for the intervening progress.

Claude Instant 1.2 is proprietary, while Ministral 3B is open weight.

Direct benchmark comparisons are unavailable — Claude Instant 1.2 and Ministral 3B don't publish scores on any of the same benchmarks.