잔 (Jan)

A free, open-source chatbot that runs AI on your own computer

Korean supportedAPIAI Chatbots

What is 잔 (Jan)?

Jan is a free, open-source desktop app that runs AI models directly on your computer with no internet needed. Your data stays local, which is great for privacy-sensitive work, and you can also connect online models like ChatGPT, Claude, and Gemini if you want. Just install it — no coding required to try local AI.

How to start in 5 minutes

  1. Download and install the app from jan.ai
  2. Download an AI model inside the app
  3. Start chatting instantly, even offline
  4. Add an online model key (e.g. GPT) to connect it if desired

Pricing

PlanPriceWhat you get
Free (open source)Free
  • Fully free & open source
  • Runs on your own computer
  • Works offline
  • Can also connect online models

Exchange rate applied: 1 USD ≈ 1497 KRW. Prices can change — check the official site.