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-3 Mini 128K Instruct

microsoft/phi-3-mini-128k-instruct

Model weights

Phi-3 Mini is a powerful 3.8B parameter model designed for advanced language understanding, reasoning, and instruction following. Optimized through supervised fine-tuning and preference adjustments, it excels in tasks involving common sense, mathematics, logical reasoning, and code processing.

At time of release, Phi-3 Medium demonstrated state-of-the-art performance among lightweight models. This model is static, trained on an offline dataset with an October 2023 cutoff date.

Modalities

Context

128K

Released

May 26, 2024

Knowledge Cutoff

Mar 2024

ActivityFAQ

Activity

Token volume and request traffic to this model over time.

About Microsoft: Phi-3 Mini 128K Instruct

OpenRouter makes Microsoft: Phi-3 Mini 128K Instruct available through a unified, OpenAI-compatible API using the model ID microsoft/phi-3-mini-128k-instruct.

Microsoft: Phi-3 Mini 128K Instruct accepts text and returns text. It has a 128,000-token context window.

It was released on May 26, 2024; its knowledge cutoff is March 31, 2024.

More models from Microsoft

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

Frequently asked questions

Phi-3 Mini is a powerful 3.8B parameter model designed for advanced language understanding, reasoning, and instruction following. Optimized through supervised fine-tuning and preference adjustments, it excels in tasks involving common sense, mathematics, logical reasoning, and code processing. At time of release, Phi-3 Medium demonstrated state-of-the-art performance among lightweight models.

Phi-3 Mini 128K Instruct has a 128,000 token context window.

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

Phi-3 Mini 128K Instruct was released on May 26, 2024. Its knowledge cutoff is March 31, 2024.