Composer and Ministral 3B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Ministral 3B shipped 393 days before Composer, so benchmark comparisons should account for the intervening progress.

Composer is proprietary, while Ministral 3B is open weight.

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