DeepSeek V3 Chat 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 109 days before DeepSeek V3 Chat, so benchmark comparisons should account for the intervening progress.

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

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