Jan is an open source ChatGPT-alternative that runs 100% offline.
1.9M+ downloads | Free & Open Source
Our core team believes that AI should be open,
and Jan is built in public
Ask your questions, brainstorm, and learn from the AI running on your device to be more productive.
Customize Jan to match your needs and preferences.
Create personalized AI assistants that remember your conversations and execute specific tasks across your systems.
Customize Jan with Extensions, that range from Cloud AI connectors, tools, data connectors.
...despite our bugs and fast moving releases
Jan is opinionated software on what AI should be
We believe your conversations and files should remain yours alone. That's why we prioritize local-first AI, running open-source models directly on your computer.
Your data, your rules. Jan stores everything on your device in universal formats, giving you total freedom to move your data without tricks or traps.
You can endlessly customize the experience with 3rd party extensions. You can adjust alignment, moderation, and censorship levels to your needs.
Follow our AI research and journey in building Jan
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1.9M+ Downloads | Free & Open Source