DeepSeek V2.5 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 537 days before DeepSeek V2.5, so benchmark comparisons should account for the intervening progress.

DeepSeek V2.5 is open weight, while GPT-4 is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V2.5 and GPT-4 don't publish scores on any of the same benchmarks.