Muse vs Microsoft Copilot

How the two compare on price, platforms, what they can act on and how they ask before acting. Facts come from each agent's sources page.

MuseMicrosoft Copilot
MakerMetaMicrosoft
Cheapest paid plan$20/month (lowest subscription, per a Meta spokesperson quoted by Reuters and CNBC; no official pricing page was verified)$19.99/month (Microsoft 365 Premium, US)
Free tierYes: Meta says Muse is free for most of what people need, with paid plans for heavier useYes: free Copilot chat within usage limits; agents and multi step tasks need a Microsoft 365 subscription
PlatformsiOSAndroidWebWhatsAppmacOSWebWindowsmacOSiOSAndroid
Can act onEmailCalendarBrowserShoppingPaymentsHealthSmart homeFilesBrowserEmailFilesCloud storageWindows settings and apps (announced for Copilot+ PCs)
Approval modelMuse checks with the user before sensitive actions such as sending an email or making a purchase and shows an audit trail of past and planned actions. A separate Sentinel agent must approve anything Muse sends to the internet and asks the user when needed. Users set per-app access, and Muse cannot see stored passwords or payment details.Microsoft says Copilot asks for approval or hands control back before sensitive actions, and users can stop, pause, take control of or delete a task. On Windows, local context and actions are described as working with the user's permission.
LaunchedSep 8, 2026Sep 25, 2026
Last updateOct 12, 2026: Muse Wonder models announced, coming to Muse subscribers firstOct 7, 2026: Copilot gets Windows hybrid intelligence

See sources on the Muse and Microsoft Copilot pages.

Track both every week