Ailyre

Model release · DeepSeek

DeepSeek-V4.1-Flash

Model released

Vs V4-Flash: CED asymmetric architecture; native multimodal; KV cache about 1/4 HBM, 1/8 SSD; vendor claims multiple benchmarks beat V4-Pro; old deepseek-v4-flash / vision-exp temporarily routed here; deepseek-v4-pro remains a separate V4 Pro service (not permanently routed to Flash); off-peak about cache-hit ¥0.02 / miss ¥1 / output ¥4 (per million tokens), peak ×2

Availability

MIT open-source weights; API deepseek-flash; HF deepseek-ai/DeepSeek-V4.1-Flash; WorkBuddy/OpenCode

Source trace

Reviewed by Ailyre. Source evidence is presented separately from our summary.

DeepSeek V4.1 Flash:更强、更快、更普惠

DeepSeek

Source checked:

This legacy archive has no reviewed checksum; its body is not published.