Skip to content
Not available in this workspace
OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Benchmarks
  • Apps
  • Discover
  • Models
  • Collections
  • Providers
  • Pricing
  • Enterprise
  • Labs

Company

  • About
  • Blog
  • Careers
    Hiring
  • Privacy
  • Terms of Service
  • Support
  • Works With OR
  • Data

Developer

  • Documentation
  • API Reference
  • Developer Platform
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube
Favicon for microsoft

Microsoft: Phi 4 Mini Instruct

microsoft/phi-4-mini-instruct

Model weights

Phi-4-mini-instruct is a lightweight open model built upon synthetic data and filtered publicly available websites - with a focus on high-quality, reasoning dense data. The model belongs to the Phi-4 model family and supports 128K token context length. The model underwent an enhancement process, incorporating both supervised fine-tuning and direct preference optimization to support precise instruction adherence and robust safety measures.

Modalities

Context

131K

Released

Oct 17, 2025

About Microsoft: Phi 4 Mini Instruct

OpenRouter makes Microsoft: Phi 4 Mini Instruct available through a unified, OpenAI-compatible API using the model ID microsoft/phi-4-mini-instruct.

Microsoft: Phi 4 Mini Instruct accepts text and returns text. It has a 131,072-token context window.

It was released on October 17, 2025.

More models from Microsoft

  • MAI-Image-2.5 Pro
  • MAI-Voice-2-Flash
  • MAI-Voice-2

Frequently asked questions

Phi-4-mini-instruct is a lightweight open model built upon synthetic data and filtered publicly available websites - with a focus on high-quality, reasoning dense data. The model belongs to the Phi-4 model family and supports 128K token context length.

Phi 4 Mini Instruct has a 131,072 token context window.

Phi 4 and WizardLM-2 8x22B are other text models from Microsoft.

Phi 4 Mini Instruct was released on October 17, 2025.

ActivityFAQ

Activity

Token volume and request traffic to this model over time.