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Msty vs Jan: catalog facts
Msty	Jan
Freemium A free tier of the desktop workspace is available. Larger workspace features require a…	Free Free and open source. Using a third-party cloud model through Jan costs whatever that…
Windows, macOS, Linux	Windows, macOS, Linux
It runs local models without a separate server install and keeps chats, prompt libraries and attached knowledge bases…	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
The application is closed source, and the more capable workspace features sit behind a paid plan.	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
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
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.