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Jan vs GPT4All: catalog facts
Jan	GPT4All
Free Free and open source. Using a third-party cloud model through Jan costs whatever that…	Free Free and open source under the MIT licence, including for commercial use.
Windows, macOS, Linux	Windows, macOS, Linux
Runs fully offline on your own computer when you want it to Same interface for local models and for OpenAI, Anthropic, Google, Mistral and others	LocalDocs answers questions from your own files, entirely on your machine Runs on CPU; no API calls and no GPU required
Still pre-1.0 and moving fast; features appear and change between releases Adding a cloud provider means putting that provider’s API key into the app	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
Open source	Open source
License: Apache-2.0	License: MIT
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 September 20, 2026

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