← All projects
AI

Jan

Run private AI models completely offline on your computer

Free alternative to ChatGPT · Claude

Download & runFreeWindows · macOS · Linux★ 45,713 AI chatFree local AIPrivacy

Jan is a desktop app that acts as an alternative to ChatGPT. It lets you download and run open AI models like Llama and Qwen directly on your machine without sending data to the cloud. You can also connect external services like OpenAI or Anthropic if desired.

✓ Good for

Anyone wanting a private, offline AI assistant on desktop

✕ Skip it if

People who only want mobile apps or lightweight web chats

How to start

  1. Download and install the app for your OS
  2. Pick and download a local model like Llama
  3. Start chatting completely offline

Running models locally requires sufficient RAM (8GB to 32GB+ depending on model size).

Get it →GitHub repo

Not sure how to install, or if it’s safe? Read the beginner guide

FAQ

Is Jan free?

Yes, Jan is completely free to download and use for running local AI models on your computer. You only incur costs if you choose to connect optional paid cloud APIs like OpenAI or Anthropic.

Is Jan safe to download?

It is open source (NOASSERTION license) with 45,713 GitHub stars, last updated 2026-11-13. Download only from the official link on this page, and scan the file before installing: see the safety checklist in our beginner guide.

Does Jan work offline?

Yes, Jan works completely offline once you download local models such as Llama or Qwen to your machine. Your chats and data stay entirely on your computer without being sent to the cloud.

Compiled from the project README. 45,713 GitHub stars (2026-11-13) · License NOASSERTION · Last update 2026-11-13