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Ollamac vs Jan: catalog facts
Ollamac	Jan
Free Free and open source, distributed only through the official GitHub repository.	Free Free and open source. Using a third-party cloud model through Jan costs whatever that…
macOS	Windows, macOS, Linux
Native macOS interface for Ollama models Free, with no commercial edition	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
Mac only, and requires macOS 14 Sonoma or later Needs Ollama installed separately with a model already pulled	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
Open 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 24, 2026	Official website Full listing and sources Checked September 20, 2026

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