Composer and Devstral Small 2 (24B) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Composer shipped 41 days before Devstral Small 2 (24B), so benchmark comparisons should account for the intervening progress.

Composer is proprietary, while Devstral Small 2 (24B) is open weight.

Direct benchmark comparisons are unavailable — Composer and Devstral Small 2 (24B) don't publish scores on any of the same benchmarks.