Composer and Mixtral 8×22B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×22B shipped 567 days before Composer, so benchmark comparisons should account for the intervening progress.

Composer is proprietary, while Mixtral 8×22B is open weight.

Direct benchmark comparisons are unavailable — Composer and Mixtral 8×22B don't publish scores on any of the same benchmarks.