DeepSeek V3.1 and Grok‑2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑2 shipped 372 days before DeepSeek V3.1, so benchmark comparisons should account for the intervening progress.

DeepSeek V3.1 is open weight, while Grok‑2 is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V3.1 and Grok‑2 don't publish scores on any of the same benchmarks.