DeepSeek V4.1 Flash vs DeepSeek-V3

A direct, empirical evaluation of DeepSeek V4.1 Flash (DeepSeek-AI) against DeepSeek-V3 (DeepSeek-AI).

DeepSeek V4.1 Flash

Developed by DeepSeek-AI · 240B parameters

Real-time production inference, high-concurrency coding agents, sub-220ms time-to-first-token, and cost-optimized long-context parsing.

DeepSeek-V3

Developed by DeepSeek-AI · 671B parameters

Cost-effective high-throughput general reasoning and bilingual generation.