Microsoft Mu

Microsoft · 2025 · LLM · USA

A to Z

A · App: Yes
B · Built By: Microsoft
C · CEO & Politics: Satya Nadella — Centrist / moderate
D · Date: 2025
E · Expertise: Beginner (app available)
F · Free Tier: Yes
G · Generates: Text only
H · Deployment: Cloud only (proprietary)
I · Inputs: Text
J · Jurisdiction: USA
K · Key Staffers: Mustafa Suleyman (CEO Microsoft AI), Kevin Scott (CTO)
L · Languages: English-primary
M · Model Type: LLM
N · Safety Issues: None reported
O · Open Source: Proprietary
P · Pricing: Built into Windows 11 on Copilot+ PCs; not sold separately
Q · AIDb Rating: 4/10 · AIDb v2.0 (rule-based): Capability 4/10 · Currency 4/10 · Access 7/10 · Significance 4/10 → 4.45
R · What Makes It Special: 330M-parameter on-device encoder-decoder language model built for the NPUs in Copilot+ PCs; it powers the agent in Windows Settings.
S · Stock / Status: $516 (MSFT, Sep 25, 2026)
T · Training Cutoff: [UNKNOWN]
U · Users: [UNKNOWN]
V · Voice Chat: No
W · Weights: API only
X · X Handle: @Microsoft
Y · Year Founded: [UNKNOWN]
Z · Bottom Line: Proprietary LLM from Microsoft, released 2025.

Data completeness 88% · Last verified 2026-06-11 · Primary source ↗

“Microsoft Mu.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/microsoft-mu.html