general

Jan

An open-source ChatGPT alternative that runs models locally or connects to the cloud.

general assistants~for consumers~developer setupopen sourcefree tier

jan.ai ↗macOS · Windows · Linux

what it is

Jan is an open-source desktop app for AI chat. You can run open-source models locally on your computer or connect to cloud models like GPT and Claude.

who it's for

Privacy-minded users and tinkerers who want a local AI assistant.

how to start

1Download Jan from jan.ai or GitHub releases.
2Install and open it.
3Download a local model or add a cloud API key.
4Start chatting (see the quickstart at jan.ai/docs).

what you need

A desktop computer
Optional: a cloud model API key

pricing

Free and open source

checked Oct 10, 2026

key features

Run local models
Connect cloud models
Open source

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Jan