Pyyan / Compare / Phi-4 vs DeepSeek V4.1 Flash

Phi-4 vs DeepSeek V4.1 Flash

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Open-Weight Models · verified 13 Sept 2026

Phi-4Microsoftcurrent
DeepSeek V4.1 FlashDeepSeekcurrent
3 slots left
SpecificationPhi-4DeepSeek V4.1 Flash
SummaryBest small model — fits a 12GB GPU.Twice the parameters of the Flash it replaces, and cheaper to run.
Context—1M
Input ($/Mtok)—$0.3
Output ($/Mtok)—$1.2
LicenceMITMIT
Max output—256K
Parameters14B552B total, 8B / 16B active
Released—10 Sep 2026
Model ID—deepseek-flash
CategoryOpen-Weight ModelsOpen-Weight Models
OfficialMicrosoft ↗DeepSeek ↗

Highlighted rows are where these differ.

Phi-4

  • Beats GPT-4o on mathematics
  • Phi-4-mini runs in ~3GB at Q4

Best for local use.

Full spec sheet →

DeepSeek V4.1 Flash

  • 552B total, 8B active while reading the prompt and 16B while generating, with a 1M token context
  • DeepSeek says it beats V4-Pro; V4-Pro requests route to it from 14 September 2026
  • MIT licence, native image input, and a KV cache about a quarter the size of V4-Flash's

Best for cheap agentic coding with images.

Full spec sheet →