DeepSeek V3 Chat and GPT-4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4 shipped 628 days before DeepSeek V3 Chat, so benchmark comparisons should account for the intervening progress.

DeepSeek V3 Chat is open weight, while GPT-4 is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V3 Chat and GPT-4 don't publish scores on any of the same benchmarks.