Pixtral Large 24.11 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 68 days before Pixtral Large 24.11, so benchmark comparisons should account for the intervening progress.

Pixtral Large 24.11 is open weight, while o1-preview is proprietary.

Direct benchmark comparisons are unavailable — Pixtral Large 24.11 and o1-preview don't publish scores on any of the same benchmarks.