DeepSeek V3 Base and Gemini 3.5 Flash Cyber don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V3 Base shipped 573 days before Gemini 3.5 Flash Cyber, so benchmark comparisons should account for the intervening progress.

DeepSeek V3 Base is open weight, while Gemini 3.5 Flash Cyber is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek V3 Base and Gemini 3.5 Flash Cyber don't publish scores on any of the same benchmarks.