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Microsoft Copilot vs Google Assistant Unofficial Desktop Client: catalog facts
Microsoft Copilot	Google Assistant Unofficial Desktop Client
Freemium Free to start; available features vary by plan and region.	Free Free and open source under the Apache 2.0 licence.
Web	Windows, macOS, Linux
Runs in the browser with nothing to install Answers can draw on the web	Google Assistant on a desktop computer Cross-platform desktop app
Features vary by plan and region Hosted service, so conversations are processed on Microsoft's servers	Unofficial and not supported by Google No repository activity since January 2024
Web application	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.