DeepSeek V3 Chat and Grok Code Fast 1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3 Chat shipped 270 days before Grok Code Fast 1, so benchmark comparisons should account for the intervening progress.

DeepSeek V3 Chat is open weight, while Grok Code Fast 1 is proprietary.

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