Open Source
Free
Free forever (AGPLv3)
- Data storage
- 100% local SQLite / JSON storage
- Model support
- Runs GGUF models and connects to remote APIs
- Local server
- Integrated OpenAI-compatible local server
Code · Vendor site 2026-10-04
Jan is an open-source, privacy-focused ChatGPT alternative that runs 100% offline on your computer. It features an intuitive desktop interface, a local inference engine (Cortex), extensions support, and an OpenAI-compatible local API server for offline AI development.
Understand the total cost
Open Source
Free
Free forever (AGPLv3)
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. Jan has an ongoing free plan. 100% free and open source (AGPLv3) with no ads, tracking, or paywalls.
Jan is listed as free. No paid plan with a published price was found.
API or developer access is mentioned. Built-in local API server compatible with OpenAI standards (`localhost:1337/v1`), plus Cortex engine CLI for headless server deployments.