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Reins vs Jan: catalog facts
Reins	Jan
Free Free and open source under the GPL-3.0 licence.	Free Free and open source. Using a third-party cloud model through Jan costs whatever that…
Linux, iOS	Windows, macOS, Linux
Works with Ollama, LM Studio and OpenAI-compatible servers Can run models on the device with no server	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
Needs a model server or a downloaded model before it is useful Responses depend on the size of model your hardware can run	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: GPL-3.0-only	License: Apache-2.0
Not stated if an account is 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.