Composer and DeepSeek V2.5 (Revised) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V2.5 (Revised) shipped 323 days before Composer, so benchmark comparisons should account for the intervening progress.

Composer is proprietary, while DeepSeek V2.5 (Revised) is open weight.

Direct benchmark comparisons are unavailable — Composer and DeepSeek V2.5 (Revised) don't publish scores on any of the same benchmarks.