DeepSeek-V4.1-Flash: hardware requirements
DeepSeek-V4.1-Flash needs about 514 GB of memory at Published quantization: a 510 GB download plus room for context and a runtime allowance. That is beyond consumer hardware; use it through an API instead.
Will it run on your machine?
Use it without your own hardware
OpenRouter lists DeepSeek V4.1 Flash at $0.14 per million input tokens and $0.42 per million output tokens. Artificial Analysis measured hosted providers generating 206 tokens per second (Oct 22, 2026).
Price as listed on OpenRouter today. Speed is for hosted servers, not a home computer.
Download sizes by quantization
Lower quantization means a smaller file and less memory, at some cost to quality. Q4_K_M is the usual starting point. What is this?
| Quant | Download | RAM @ 4K | RAM @ 32K | Source |
|---|---|---|---|---|
| Published | 510 GB | 514 GB | 516 GB | deepseek-ai/DeepSeek-V4.1-Flash |
Download sizes are measured from the published files named in the Source column. The RAM columns add the context cache, calculated from the model's configuration, and a runtime allowance of 10% of the download (at least 0.5GB, at most 3GB).