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.
Open-source offline AI platform supports local LLMs including Llama, Gemma, Qwen, GPT-oss, integrates cloud services like OpenAI and Anthropic, enables custom assistant creation, offers OpenAI-compatible API on localhost, operates across diverse hardware and ensures privacy.
Runs fully private, offline chatbot entirely in browser, ensuring conversation data never leaves the device. No server, installation, external services, or account needed. Supports Llama 3, Mistral, and other open source models in a ChatGPT-like interface for privacy-focused users.
Open-source privacy-focused chatbot platform allowing unlimited document uploads, multi-user and single-user modes, AI-powered chat with documents, vector database and LLM compatibility, customizable interface, message history, secure desktop deployment, and full user controls.
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.
Khoj is an open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers.
Open R1 is a community-driven, open-source initiative aimed at replicating the advanced AI capabilities of DeepSeek-R1 through transparent methodologies.
Install, run & control servers, bots, databases, AI apps, terminal apps, or anything on your computer with 1 click.
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Runs "locally" in your web browser. This is an alternative to GPT4All. Whether this makes sense (using browser performance for AI) is another question.