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Open-source AI chat apps

5 open-source chatbots & assistants tools. Chatbots & Assistants tools listed as Free because they are open-source projects you can download and run. Check each project's license, and note that hosting and model costs may still apply.

How to read this page. The tools are grouped by category and are not ranked. Pricing labels come from vendors' own pages when we could confirm them. Always verify plans and limits on the vendor's site.

Chatbots & Assistants (5)

ToolWhat it doesPricingLink
GPT4AllOpen-source desktop chat app from Nomic for running language models locally.FreeOfficial site
KoboldCPPLocal LLM frontend on llama.cpp for chat and creative writing.FreeOfficial site
Meta AIMeta's AI assistant, available on the web and across Meta apps.FreeOfficial site
SillyTavernLocal frontend for AI character chat across many model backends.FreeOfficial site
Text Generation WebUIOpen-source UI for running local language models (also shipping a textgen desktop app).FreeOfficial site

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