Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Flathub
- Flatpak
- Online




The best open source alternative to GPT4ALL is Jan.ai. If that doesn't suit you, our users have ranked more than 100 alternatives to GPT4ALL and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to GPT4ALL are Secret Llama, AnythingLLM, Alpaca - Ollama Client and Farfalle.
Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.




Fully private LLM chatbot that runs entirely with a browser with no server needed. Supports Mistral and LLama 3.

A multi-user ChatGPT for any LLMs and vector database. Unlimited documents, messages, and storage in one privacy-focused app. Now available as a desktop application!.



Alpaca is an Ollama client where you can manage and chat with multiple models, Alpaca provides an easy and begginer friendly way of interacting with local AI.







Cherry Studio is a desktop client that supports for multiple LLM providers, available on Windows, Mac, and Linux.












A gallery that showcases on-device ML/GenAI use cases and allows people to try and use models locally.




Open R1 is a community-driven, open-source initiative aimed at replicating the advanced AI capabilities of DeepSeek-R1 through transparent methodologies.
The simplest way to use private LLMs: Works fully offline and private when you don’t have internet. Runs models on-device optimized for Apple silicon.




Install, run & control servers, bots, databases, AI apps, terminal apps, or anything on your computer with 1 click.



Runs "locally" in your web browser. This is an alternative to GPT4All. Whether this makes sense (using browser performance for AI) is another question.