Claude 2.1 and DeepSeek V2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 162 days before DeepSeek V2, so benchmark comparisons should account for the intervening progress.

Claude 2.1 is proprietary, while DeepSeek V2 is open weight.

Direct benchmark comparisons are unavailable — Claude 2.1 and DeepSeek V2 don't publish scores on any of the same benchmarks.