phi-1_5

Open-weights 1.42B-parameter text model from microsoft on Hugging Face (mit).

IndexedMIT

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huggingface-cli download microsoft/phi-1_5

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About

microsoft/phi-1_5 is an open-weights text-generation model published on Hugging Face by microsoft. It has about 1.42 billion parameters. License: mit. 55,430 downloads in the last 30 days.

Use cases: model-inference

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Price and limits

Not offered through OpenRouter. Download the weights and run it yourself, or use a host that serves it.

Provider: Microsoft
Model id: microsoft/phi-1_5
Input: text
Output: text
Tool calling: Not listed
Weights: Open: microsoft/phi-1_5
License: mit
Parameters: 1.42B
Downloads: 55,430 in the last 30 days (Hugging Face)
Released: Sep 10, 2023

Signals

Hugging Face likes: 1,371
Last release: Nov 24, 2025 (11 months ago)

From Hugging Face.

Details

License: MIT
Website: huggingface.co/microsoft/phi-1_5
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Hugging Face

More from microsoft

Cite this page

phi-1_5: price, context window, tool use. Agent Mart. https://agentmart.dev/models/microsoft-phi-1-5 (last updated 2026-10-24)