Jan

Short answer: How to self-host Jan: requirements, licence and alternatives.

Last updated: 15 October 2026 · No tax figures on this site, so no GOV.UK check applies; tool details come from each project's public GitHub repository · Markdown version

Offline ChatGPT alternative desktop app.

Category	Chat UI
Licence	Apache-2.0
Repo	janhq/jan

How do you self-host it?

See the official README for Docker or binary install. A 2 vCPU / 4 GB VPS runs most UIs; LLM runtimes need a GPU or must run small quantised models on CPU.

What are the alternatives?

Open WebUI, LibreChat