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

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