Kai AI AlternativesOnly apps categorised as Large Language Model (LLM) Tools

The best Large Language Model (LLM) alternative to Kai AI is Lumo by Proton, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Kai AI and many 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 Kai AI are Jan.ai, AnythingLLM, Secret Llama and Alpaca - Ollama Client.

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Kai 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. These are just examples - use the filter bar below to find more specific alternatives to Kai AI.
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Alternatives list

  1. Lumo by Proton icon
     105 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.

    123 Lumo by Proton alternatives

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
     
  2. Jan.ai icon
     101 likes

    Open-source offline AI platform supports local LLMs including Llama, Gemma, Qwen, GPT-oss, integrates cloud services like OpenAI and Anthropic, enables custom assistant creation, offers OpenAI-compatible API on localhost, operates across diverse hardware and ensures privacy.

    239 Jan.ai alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    • Flatpak
     
  3. AnythingLLM icon
     48 likes

    Open-source privacy-focused chatbot platform allowing unlimited document uploads, multi-user and single-user modes, AI-powered chat with documents, vector database and LLM compatibility, customizable interface, message history, secure desktop deployment, and full user controls.

    213 AnythingLLM alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
     
  4. Secret Llama icon
     59 likes

    Runs fully private, offline chatbot entirely in browser, ensuring conversation data never leaves the device. No server, installation, external services, or account needed. Supports Llama 3, Mistral, and other open source models in a ChatGPT-like interface for privacy-focused users.

    149 Secret Llama alternatives

    Cost / License

    Platforms

    • Online
    • Self-Hosted
     
  5. Poe icon
     71 likes

    Poe is a web-based AI platform that hosts multiple assistant bots—including Claude and various GPT and image/audio models—to provide conversational Q&A, image and audio generation, and automated AI workflows.

    365 Poe alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  6. Apertus icon
     25 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.

    99 Apertus alternatives

    Cost / License

    Platforms

    • Online
    • Self-Hosted
     
  7. Meta AI icon
     24 likes

    Built with Meta Meta Llama, Meta AI is one of the world’s leading AI assistants, already on your phone, in your pocket for free. And it’s starting to go global with more features. You can use Meta AI on .

    141 Meta AI alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Facebook
    • WhatsApp
    • Instagram
    • Facebook Messenger
     
  8. Manus icon
     18 likes

    AI agent bridges thoughts and actions, excelling in work and life tasks like personalized travel, stock analysis, insurance comparisons, and supplier sourcing, autonomously completing tasks and providing insights while users rest.

    81 Manus alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Mac
     
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