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Open-source alternatives to Claude

7 open-source projects that replace Claude, 4 of them for the whole job.

Open alternatives7

Chatting with an AI assistant. See the whole group

LibreChat screenshot
46kActiveMITRuns on your own server

LibreChat is a self-hosted chat app that lets you talk to many AI providers, such as Claude, OpenAI and Google models, from one interface. It is for people and teams who want to run their own AI chat server and keep control over it.

Runs on your own server · GitHub · You host it; bring your own AI accounts
Jan screenshot
45kActiveWindows · Mac · LinuxApache-2.0App

Jan is a desktop app that lets you download and run AI language models on your own computer, with an option to connect to cloud AI services. It is for people who want an AI chat assistant with more control and privacy.

App · GitHub · Runs on your computer; needs a capable machine
Chatbox Community Edition screenshot
42kActiveWindows · Mac · LinuxGPL-3.0App

Chatbox is a desktop app that lets you chat with AI assistants like ChatGPT and Claude, using your own API key or a local model. It is aimed at people who want an AI chat window on their computer, Windows, Mac or Linux.

App · GitHub · Bring your own AI key or local model
YouCoded screenshot
11ActiveWindows · Mac · Linux · AndroidVerifiedMITApp

YouCoded is a free AI assistant app for Windows, macOS, Linux and Android that can also be opened from a web browser on your network. It is aimed at students, professionals and anyone who uses AI regularly, and lets you pick which AI model powers it. Made by itsdestin, a r/TrueOpenSource moderator who also runs this site.

App · GitHub · Desktop and Android app; any AI model
Ollama screenshot
185kActiveWindows · Mac · LinuxMITReplaces partlyApp

Ollama is a free tool that runs AI models on your own computer, so your chats stay on your machine. It now has a simple chat window, and other apps can also use it to run models.

App · GitHub · Runs models; chat window is basic
No screenshot yet
68kActiveWindows · Mac · LinuxMITReplaces partlyApp

AnythingLLM is an app that lets you chat with an AI assistant about your own documents, and can run models locally or connect to cloud AI services. It is aimed at people and teams who want a private, self-hosted or desktop alternative to ChatGPT-style chat tools.

App · GitHub · Aimed at chatting with your own documents
No screenshot yet
18kActiveWindows · Mac · LinuxMITReplaces partlyApp

Leon is a personal AI assistant that runs on your own computer and can use tools, memory and your local context to complete tasks. It is aimed at people who want an assistant that can work locally and keep more control over their data.

App · GitHub · Early; for tinkerers

Before you build

Planning something for an alternative to Claude? See what exists first, so you can reuse parts or explain what's different. Paste this into any AI assistant:

Read the list of open-source alternatives at https://opensourceeverything.org/data/groups/ai-chat.json. Compare it with my project or idea below. Tell me which projects overlap, what I could reuse instead of rewriting, and what mine does that none of them do. My project or idea:
Download the list