Claude

Sure, Claude Claude is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: OpenWebUI  Open WebUI , Ollama  Ollama , LobeHub  LobeChat ,  AnythingLLM ,  Onyx ,  Khoj ,  LiteLLM .

  1. So is OpenWebUI Open WebUI

    A user-friendly interface for AI chat

    ★ 112.7K LLM AI RAG Chatbot License: MIT

    An extensible, feature-rich, and user-friendly self-hosted WebUI designed to operate entirely offline. It supports various LLM runners, including Ollama and OpenAI-compatible APIs.

    Open WebUI Demo

  2. So is Ollama Ollama

    The easiest way to get up and running with large language models

    ★ 154.3K LLM AI License: BSD-3-Clause

    Ollama is a platform that makes it easy to get up and running with large language models. It provides a simple API to interact with the models, and you can use it to generate text, answer questions, and more.

  3. So is LobeHub LobeChat

    Open-source, modern-design AI chat framework

    ★ 66.9K LLM AI RAG Chatbot License: Apache-2.0 (with a twist)

    An open-source, modern-design ChatGPT/LLMs UI/Framework that supports speech-synthesis, multi-modal, and extensible (function call) plugin system.

  4. So is AnythingLLM

    The all-in-one AI app you were looking for

    ★ 50.1K LLM AI RAG Chatbot License: MIT

    Turn any document, resource, or piece of content into context that any LLM can use as references during chatting.

    Chatting

  5. So is Onyx

    Open-source AI platform with Chat UI, RAG, Web Search, Agents, and 40+ connectors

    ★ 15.5K AI Chat RAG Search LLM Enterprise License: MIT

    Onyx is a feature-rich, self-hostable Chat UI that works with any LLM. It is easy to deploy and can run in a completely airgapped environment.

    Onyx comes loaded with advanced features like Agents, Web Search, RAG, MCP, Deep Research, Connectors to 40+ knowledge sources, and more.

    Onyx Preview

  6. So is Khoj

    Your AI second brain

    ★ 31.3K LLM AI RAG Chatbot License: AGPL-3.0

    Khoj is a personal AI app to extend your capabilities. It smoothly scales up from an on-device personal AI to a cloud-scale enterprise AI.

    preview

  7. So is LiteLLM

    Proxy Server to call 100+ LLMs in the OpenAI format

    ★ 30K AI LLM License: MIT

    Call all LLM APIs using the OpenAI format [Bedrock, Huggingface, VertexAI, TogetherAI, Azure, OpenAI, Groq etc.]

    preview