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Meet Mu, the Small Language Model in Charge of Microsoft's Settings AI Agent
- On June 23, 2025, Microsoft introduced Mu, a compact language model embedded directly in Windows 11 Settings, available for Copilot+ PCs.
- Microsoft developed Mu to power an AI agent that understands natural language queries for system settings and runs efficiently on local NPUs.
- Mu has 330 million parameters with an encoder-decoder design that cuts first-token latency nearly 47% and improves decoding speed 4.7 times over similar models.
- Despite being only one-tenth the size, Mu achieves performance close to that of the much larger Phi-3.5-mini model and operates locally at speeds exceeding 100 tokens per second.
- The AI agent aims to improve ease of use in Windows Settings, currently available to Windows Insiders with Copilot+ PCs, and Microsoft welcomes user feedback.
12 Articles
12 Articles
Windows 11 has taken a step towards a more intuitive and personalized experience with the incorporation of Mu, an artificial intelligence model developed by Microsoft. This model works locally on Copilot+ computers and has been designed to facilitate access and modification of settings within the operating system, using natural language. Next, we review the technical and functional features of Mu, and how it is changing the way we interact with …
Microsoft Launches Mu, a Small Language Model That Runs Locally on Copilot+ PCs
Microsoft has introduced Mu, a compact on-device language model designed to run entirely on neural processing units (NPUs) in Copilot+ PCs. It is already powering the AI agent in the Windows Settings app for users in the Dev Channel under the Windows Insider Program. Mu is built on a Transformer encoder–decoder architecture, enabling faster, more efficient inference by separating input and output tokens. According to Microsoft, the model achieve…
No more trouble in complex menus to find the right setting? For Windows 11, Microsoft presents the IA Mu model with local operation on Copilot+ PC.
Microsoft has introduced an AI agent to the Windows Settings menu
Windows is getting a new AI assistant that can change system settings through natural language commands. The new language model, called "Mu," runs entirely offline on specialized AI chips, but for now, it's only available to a small group of users. The article Microsoft has introduced an AI agent to the Windows Settings menu appeared first on THE DECODER.
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