Mu

Mu

Microsoft
+
+

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About

Meet your everyday AI companion for work and life. Work smarter, be more productive, boost creativity, and stay connected to the people and things in your life with Copilot—an AI companion that works everywhere you do and intelligently adapts to your needs. Copilot empowers you with smarter ways to be more productive, creative, and connected to the people and things that matter to you. Find just what you’re looking for. Get relevant answers to your questions. And shop online knowing you’ve gotten the best deal. Get answers to your questions, inspiration for your projects, and solutions for your to-do list. Transform your ideas effortlessly. Creating beautiful images and polished drafts is easy and fun. Whatever you’re into—browsing the web, searching for answers, exploring your creative potential, or coming up with more useful content, Copilot can help you uncover new possibilities.

About

Mu is a 330-million-parameter encoder–decoder language model designed to power the agent in Windows settings by mapping natural-language queries to Settings function calls, running fully on-device via NPUs at over 100 tokens per second while maintaining high accuracy. Drawing on Phi Silica optimizations, Mu’s encoder–decoder architecture reuses a fixed-length latent representation to cut computation and memory overhead, yielding 47 percent lower first-token latency and 4.7× higher decoding speed on Qualcomm Hexagon NPUs compared to similar decoder-only models. Hardware-aware tuning, including a 2/3–1/3 encoder–decoder parameter split, weight sharing between input and output embeddings, Dual LayerNorm, rotary positional embeddings, and grouped-query attention, enables fast inference at over 200 tokens per second on devices like Surface Laptop 7 and sub-500 ms response times for settings queries.

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Users of Microsoft and Windows products that want a powerful AI copilot

Audience

Developers seeking a solution to navigate and configure system settings through natural language

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 4.5 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Copilot is surprisingly brilliant! It's not just a virtual assistant—it’s a true conversational partner. It blends intelligence, wit, and a touch of personality that makes every exchange enjoyable and stimulating. It helped me find ideas, solutions, and even light-hearted moments when I needed them most. I never imagined interacting with an AI this empathetic and sharp. Highly recommended—5 stars without hesitation!
  • I have been using Microsoft Copilot since the implementation of month in our organization. I have found this an amazing tool for summarizing long emails, writing professional emails, my research work & what not. I have been using it almost each and everyday to enhance my productivity. Also its amazing how its integration with approximately all the other Microsoft applications offers amazing functionality.

Cons

  • Intuitive and quick responses Friendly and engaging personality Great support for brainstorming and creative projects Always ready with facts, ideas, and humor
  • Only con is during my research work which occurs very often it sometimes generated false information from the web, i got to know this after a long time when i got suspicious & cross checked it.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Supported

Company Information

Microsoft
Founded: 1975
United States
www.microsoft.com/en-us/microsoft-copilot

Company Information

Microsoft
Founded: 1975
United States
blogs.windows.com/windowsexperience/2025/06/23/introducing-mu-language-model-and-how-it-enabled-the-agent-in-windows-settings/

Alternatives

Alternatives

CodeT5

CodeT5

Salesforce
Perplexity

Perplexity

Perplexity AI
GLM-OCR

GLM-OCR

Z.ai
Falcon-7B

Falcon-7B

Technology Innovation Institute (TII)

Categories

Agentic AI Supported
AI Agents Supported
AI Assistants Supported
AI Copilots Supported
AI Productivity Supported
AI Tools Supported
AI Workspaces Supported
Computer Vision Supported

Categories

AI Models Supported

Integrations

Author-it Supported
Azure Marketplace Supported
Bug0 Supported
Citetail Supported
Dageno Supported
DropTrack Supported
Eldil AI Supported
Gravity Software Supported
Hamster Supported
LEGALFLY Supported
Limy AI Supported
Microsoft Frontier Tuning Supported
OpenTable Supported
OtterlyAI Supported
Profound Supported
Scriptbee Supported
Searchable Supported
Seed Supported
TaoPrompt Supported
kama.ai Supported

Integrations

Author-it Not Supported
Azure Marketplace Not Supported
Bug0 Not Supported
Citetail Not Supported
Dageno Not Supported
DropTrack Not Supported
Eldil AI Not Supported
Gravity Software Not Supported
Hamster Not Supported
LEGALFLY Not Supported
Limy AI Not Supported
Microsoft Frontier Tuning Not Supported
OpenTable Not Supported
OtterlyAI Not Supported
Profound Not Supported
Scriptbee Not Supported
Searchable Not Supported
Seed Not Supported
TaoPrompt Not Supported
kama.ai Not Supported
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