What Jan does
Jan is a free desktop app for Mac, Windows and Linux that downloads and runs open models locally, so prompts and files never leave the machine. It can also connect to cloud models with your own API keys.
Best for
- Private AI without a server
- Non-technical users trying local models
- Working offline
How small businesses use Jan
- Draft documents with client data kept on your laptop
- Summarize files without uploading them
- Compare local and cloud models in one app
Jan: common questions
Who should use Jan?
Jan suits private AI without a server, non-technical users trying local models and working offline.
When should you choose something else instead of Jan?
Local models run slowly on older or low-memory computers. If that matters for your business, compare other options such as Ollama, Open WebUI and AnythingLLM.
Is Jan free?
Jan pricing: Free and open source. Pricing changes often, so confirm current plans on the official repository or website before you buy.
Can a small business self-host Jan?
Yes. Jan is open source on GitHub, and its setup level is beginner. You will need a computer or server to run it and someone to keep it updated and backed up, or you can use a hosted option if one is offered.
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