DeepSeek Coder V2 and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Coder V2 shipped 187 days before o1, so benchmark comparisons should account for the intervening progress.

DeepSeek Coder V2 is open weight, while o1 is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Coder V2 and o1 don't publish scores on any of the same benchmarks.