Microsoft has introduced a new AI model called Mu that works inside your computer to help with Windows 11 Settings. It powers a smart feature that lets users type what they want to do, and the system will either guide them to the correct setting or do it for them automatically.
Mu is a small language model (SLM) that runs completely on-device, meaning it doesn’t need the internet. It works on special processors called neural processing units (NPUs) found in Copilot+ PCs. The AI responds very fast—more than 100 tokens per second—making it perfect for quick tasks in the Settings menu.
Mu uses an encoder-decoder system. This means it reads what you type, understands it, and then gives the correct response. It has 330 million parameters, which makes it powerful but also light enough to run on your device without slowing it down.
Mu is based on Microsoft’s Phi AI models, which were trained using powerful A100 GPUs. Microsoft made Mu even faster and smarter using techniques like LoRA fine-tuning, task-specific training, and synthetic examples. The model was trained on over 3.6 million examples to understand how people usually ask for settings changes.
The AI works best with full questions like “lower screen brightness at night” instead of just short words like “brightness.” If a user types something vague, the system still shows regular search results as a backup.
Mu focuses on the most common settings first and will improve over time. Microsoft continues to make it better to handle more complex tasks with better accuracy and speed.
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