Jan
Open-source ChatGPT alternative that runs offline
F
Score: 34/100
Type
Execution
hybrid
Interface
gui
About
Jan is an open-source ChatGPT alternative that runs 100% offline on your computer. It features a beautiful interface, model hub, extensions system, and supports multiple inference backends. Available on Mac, Windows, and Linux.
Performance
2000ms
Cold Start
600MB
Base Memory
400ms
Startup Overhead
✓ Last Verified
Date: Jan 18, 2026
Method: manual test
Manually verified
Languages
TypeScriptPython
Details
- Isolation
- process
- Maturity
- stable
- License
- AGPL-3.0