Microsoft
Microsoft (Copilot / Phi)
Microsoft's assistant woven through Windows, Microsoft 365, and GitHub.
Version timeline as of Jul 22, 2026.
Version timeline
9 versions- Phi-4· 16K ctx · Flagship
14B-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.
- Phi-3 MiniSupersededphi3· 128K ctx · Legacy
3.8B model with 128K context; one of the most widely deployed small models on Ollama. Came in Mini (3.8B), Small (7B), and Medium (14B) variants.
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