Microsoft · Microsoft (Copilot / Phi)
Phi-4
CurrentDefault14B-parameter open-weight (MIT) flagship of Microsoft's Phi small-model family; top-of-class STEM reasoning for its size but limited to a 16K context window. Available on Azure AI Foundry, HuggingFace, and Ollama.
About this version
Phi‑4 is the flagship model of Microsoft’s copilot family, released in December 2024 as a 14‑billion‑parameter open‑weight model under an MIT licence. It offers a 16 K token context window and is positioned for strong STEM reasoning relative to its size, and it is available through Azure AI Foundry, HuggingFace, and Ollama.
- API string
- Phi-4
- Context window
- 16K ctx
- Tier
- Flagship
- Released
- Dec 1, 2024
Release & change timeline
1 event- Release
Phi-4 released
14B-parameter MIT-licensed flagship with top-of-class STEM reasoning for its size; available on Azure AI Foundry, HuggingFace, and Ollama.
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