Jan
An open-source, 100% offline and private ChatGPT alternative for your desktop.
What is Jan?
Jan is an open source free, 100% offline AI assistant that serves as a private ChatGPT alternative on your desktop. Designed to prioritize user privacy, jan.ai allows you to run customizable, local large language models directly on your hardware without a subscription fee. By acting as a downloadable free ai writing assistant private offline windows 10 and Mac/Linux solution, jan app transforms your computer into a secure environment where conversations and preferences stay entirely under your control.
Category
Best Jan use cases by task, role, industry, and platform
These use cases show where Jan fits best, ranked by fit score before popularity or pricing.
Jan Pricing Plans
Compare Jan free options, Jan paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.
Free
Pricing updated:Jun 11, 2026
Jan AI Features
Jan Pros and Cons
Pros
- Complete privacy with local data storage
- No subscription fees or hidden costs
- OpenAI compatible drop-in API replacement
- Highly customizable with an active open-source community
Limitations
- Currently in development and users should expect bugs
- Mobile app functionality is still coming soon
- Performance depends heavily on local hardware capabilities