Open Source Jan.ai AlternativesAI Chatbots & Large Language Model (LLM) Tools like Jan.ai

The best open source alternative to Jan.ai is Lumo by Proton. If that doesn't suit you, our users have ranked more than 100 alternatives to Jan.ai and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Jan.ai are DeepSeek, Ollama, GPT4ALL and AnythingLLM.

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Jan.ai alternatives are mainly AI Chatbots, but if you're looking for Large Language Model (LLM) Tools or AI Writing Tools you can filter on that. Other popular filters include Open Source. These are just examples - use the filter bar below to find more specific alternatives to Jan.ai.
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Alternatives list

  1. Lumo by Proton icon
     80 likes

    Privacy-first AI assistant utilizing zero-access encryption and open-source code, ensuring no data logging, profiling, or training on chats, providing user-controlled, encrypted conversations, with compliance under GDPR and no sharing with third parties.

    98 Lumo by Proton alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
     
  2. DeepSeek icon
     99 likes

    DeepSeek is a state-of-the-art AI assistant designed to provide intelligent, conversational support across diverse tasks. It leverages advanced natural language processing and machine learning to answer questions, generate creative content, solve complex problems, and offer...

    150 DeepSeek alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  3. Ollama icon
     118 likes

    Supports local deployment of Llama 3, Code Llama, and other language models, enabling users to customize and create personalized models. Ideal for AI development, it offers flexibility for offline AI needs and integrates AI writing and chatbot tools in local setups.

    65 Ollama alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
     
  4. GPT4ALL icon
     127 likes

    An ecosystem of open-source chatbots trained on a massive collections of clean assistant data including code, stories and dialogue.

    174 GPT4ALL alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
     
  5. AnythingLLM icon
     42 likes

    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!.

    156 AnythingLLM alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Self-Hosted
    • Docker
    • Linux
     
  6. Ollama App icon
     25 likes

    A modern and easy-to-use client for Ollama.

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Android
    • F-Droid
     
  7. Qwen icon
     22 likes

    Alibaba Cloud's general-purpose AI models.

    117 Qwen alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
     
  8. Apertus icon
     22 likes

    As a fully open language model, Apertus allows researchers, professionals and enthusiasts to build upon the model and adapt it to their specific needs, as well as to inspect any part of the training process.

    73 Apertus alternatives

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
     
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