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Msty vs GPT4All: catalog facts
Msty	GPT4All
Freemium A free tier of the desktop workspace is available. Larger workspace features require a…	Free Free and open source under the MIT licence, including for commercial use.
Windows, macOS, Linux	Windows, macOS, Linux
It runs local models without a separate server install and keeps chats, prompt libraries and attached knowledge bases…	LocalDocs answers questions from your own files, entirely on your machine Runs on CPU; no API calls and no GPU required
The application is closed source, and the more capable workspace features sit behind a paid plan.	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
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 20, 2026

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