Jan is the shortest path to private AI: a desktop app that downloads open models and chats 100% offline. No account, no server, no terminal, nothing leaving your machine.
Who this is NOT for
It is personal, not team-based: no users, no permissions. When you want shared AI for several people, the natural step up is Ollama + Open WebUI.
It is the tool we recommend to 'see what this is about' before investing a single hour of setup: clean Apache-2.0 and an app your accountant can install alone. If Jan convinces you, the rest of the category is the same concept with more muscle.
Your first step
Download Jan from jan.ai, install the model it recommends for your RAM and chat in airplane mode to prove nothing leaves.
The Jan implementation guide
The project belongs to Menlo Research and it is free: the link beside asks for nothing. The guide to set it up without getting lost is ours: step by step, common mistakes and a checklist. Leave your email and we will send it.
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