Jan

Jan is an open-source, privacy-first AI chat application and autonomous agent that runs 100% offline on desktop and mobile. Designed as a user-controlled alternative to ChatGPT, Jan lets you download and run local models (Llama3, Gemma3, Mistral, GGUF), or connect to cloud providers via API keys. With a VSCode-like extension system, an OpenAI-compatible local API server, and in-house models like Jan‑v2 (multimodal) and Jan‑v1 (with web search), Jan delivers long-horizon task automation, multimodal reasoning, and complete data ownership.

Jan is an open-source ChatGPT alternative that runs 100% offline on your computer. It utilizes open-source AI models, prioritizes privacy, and is highly customizable. Jan is available for Windows, Mac, and Linux, with a mobile version coming soon. It provides an OpenAI-equivalent API server and allows for local server and API usage.

How to Use

Download Jan for your operating system (Windows, Mac, or Linux) and run it offline on your computer. Utilize the OpenAI-equivalent API server at localhost:1337 for compatible apps.

Jan AI's

Key Features

• 100% offline operation
• Open-source AI models
• Privacy-focused
• Highly customizable
• OpenAI-compatible API server
• Local server and API

Use Cases

• Run AI models locally for privacy and security
• Develop custom AI assistants with global hotkeys and in-line AI
• Use as a drop-in replacement for OpenAI with compatible apps

FAQ

Does Jan have an API? Jan AI Discord Here is the Jan AI Discord: https://discord.com/invite/FTk2MvZwJH. For more Discord message, please click here(/discord/ftk2mvzwjh). Jan AI