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

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