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GPT4All vs Sidekick: catalog facts
GPT4All	Sidekick
Free Free and open source under the MIT licence, including for commercial use.	Free Free to download from GitHub.
Windows, macOS, Linux	macOS
LocalDocs answers questions from your own files, entirely on your machine Runs on CPU; no API calls and no GPU required	Native macOS interface Answers using your own files, folders and websites
The latest release, 3.10.0, dates from February 2025 Nomic’s website now foregrounds a separate commercial platform rather than GPT4All	macOS only Answer quality depends on the local model and your hardware
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 1, 2026

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