Skip to main content
Jan logo
Tool

Jan

Verified Sep 2026

Open-source ChatGPT that runs offline

Desktop app to run and chat with local models, your data never leaves the machine.

The open-source ChatGPT alternative: local models via llama.cpp, OpenAI-compatible server, offline-first privacy. The polished desktop option in local LLM UIs.

Who it's for

Users who want an open-source ChatGPT alternative that runs local models fully offline.

Keep exploring

1 in catalog

Jan works with

3 in catalog

Jan runs on