Model Family

Phi

Microsoft's small-but-mighty model family trained on heavily-curated synthetic data.

Definition

Microsoft's Phi series (Phi-1 → Phi-4) shows that careful data curation — filtered web text plus synthetic textbook-quality examples — lets small models (1–14B parameters) match larger ones on many benchmarks. Phi targets the on-device and edge inference niche.

Common use cases

  • On-device
  • Edge
  • Embedded agents

Related terms

    Phi — AI Glossary | Railwail