Microsoft · Microsoft (Copilot / Phi)
Phi-4 Mini
ActiveUltra-small 3.8B on-device variant with a 128K context window, MIT-licensed; designed for phones and embedded systems.
About this version
Phi‑4 Mini is an ultra‑small, 3.8 billion‑parameter model in the Copilot family that remains active and classified as a fast tier offering. It is MIT‑licensed for on‑device use, targeting phones and embedded systems, and supports a 128 K token context window.
- API string
- phi4-mini
- Context window
- 128K ctx
- Tier
- Fast
Release & change timeline
No dated events logged for this version yet.
Patches, price changes, benchmarks, and deprecations for Phi-4 Mini will appear here as they’re recorded. Follow the broader Catch Me Up digest in the meantime.
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Part of the Microsoft (Copilot / Phi) version timeline. Catch Me Up — everything that changed across AI & smart home ↗