Ministral 3B and o1-preview don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1-preview shipped 19 days before Ministral 3B, so benchmark comparisons should account for the intervening progress.

Ministral 3B is open weight, while o1-preview is proprietary.

Direct benchmark comparisons are unavailable — Ministral 3B and o1-preview don't publish scores on any of the same benchmarks.