# DeepSeek-V4.1-Flash

DeepSeek



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
- Model released: Sep 10, 2026 · Date only

## Sources

- DeepSeek V4.1 Flash：更强、更快、更普惠: https://www.deepseek.com/news/deepseek-v4-1-flash/

Canonical entry: https://www.ailyre.com/source/?id=deepseek-deepseek-v4-1-flash&lang=en