The best Large Language Model (LLM) alternative to GPT4ALL is DuckDuckGo AI Chat, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to GPT4ALL and loads of them are Large Language Model (LLM) Tools so hopefully you can find a suitable replacement. Other interesting Large Language Model (LLM) Tool alternatives to GPT4ALL are Jan.ai, Secret Llama, AnythingLLM and Alpaca - Ollama Client.
Duck.ai is a free feature that allows you to have private conversations with 3rd-party AI chat models, anonymized by us. It currently supports Anthropic’s Claude 3 Haiku, Meta’s Llama 4, Mistral AI’s Mistral Small 3, and OpenAI’s GPT-4o mini.
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.
Runs "locally" in your web browser. This is an alternative to GPT4All. Whether this makes sense (using browser performance for AI) is another question.
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.
I like LM Studio as an alternative to GPT2ALL because GPT2ALL seem to be discontinued... no update from February 2025. LM Studio it is active maintained and updated!
Cherry Studio is a desktop client that supports for multiple LLM providers, available on Windows, Mac, and Linux.
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.
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.
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Not local. Uses other LLMs.