Head-to-head · DeepSeek-V4
DeepSeek-V4-Flash vs DeepSeek-V4-Pro
DeepSeek-V4-Flash needs ~179.7 GB at Q4_K_M; DeepSeek-V4-Pro needs ~965 GB. That ~785.3 GB gap decides which hardware runs each; they differ on 1 of the 14 devices below.
Which devices run each
A representative spread across the memory range. Tap a verdict for the full breakdown.
Size at each quantization
* derived from bits-per-weight; unstarred sizes are measured GGUF files.
Bottom line
The larger DeepSeek-V4-Pro needs ~965 GB; DeepSeek-V4-Flash runs on lighter hardware at ~179.7 GB with more headroom and faster responses. Check each against your exact device: what runs DeepSeek-V4-Flash · what runs DeepSeek-V4-Pro.
FAQ
What is the difference in memory between DeepSeek-V4-Flash and DeepSeek-V4-Pro?
At Q4_K_M, DeepSeek-V4-Flash needs about 179.7 GB and DeepSeek-V4-Pro needs about 965 GB, a difference of ~785.3 GB.
Should I run DeepSeek-V4-Flash or DeepSeek-V4-Pro?
Run DeepSeek-V4-Pro if your hardware has the ~965 GB it needs and you want maximum quality; run DeepSeek-V4-Flash (~179.7 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: DeepSeek-V4-Flash · DeepSeek-V4-Pro · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.