Open Source Meta AI AlternativesAI Chatbots & Large Language Model (LLM) Tools like Meta AI

The best open source alternative to Meta AI is Lumo by Proton. If that doesn't suit you, our users have ranked more than 100 alternatives to Meta AI and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Meta AI are DeepSeek, Euria, Apertus and NanoClaw.

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Meta 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. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Meta AI.
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Alternatives list

  1. Lumo by Proton icon
     125 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.

    140 Lumo by Proton alternatives

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
     
  2. DeepSeek icon
     142 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...

    223 DeepSeek alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  3. Euria icon
     22 likes

    Confidential AI chat assistant delivering writing, summarization, voice transcription, email handling, and document search tools, all hosted exclusively in Switzerland with open source models, data sovereignty, and compliance with GDPR and FADP standards.

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
     
  4. Apertus icon
     28 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.

    Cost / License

    Platforms

    • Online
    • Self-Hosted
     
  5. NanoClaw icon
     16 likes

    Lightweight AI assistant runs in Apple containers with isolated Linux container processes for superior OS-level security, transparency, and privacy compared to complex chatbots, enabling quick code review, easy customization, and minimal dependencies for all users.

    122 NanoClaw alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Linux
    • Docker
    • Node.JS
     
  6. Khoj icon
     44 likes

    Open-source app offers local or cloud AI chat with major LLMs, advanced semantic search, automation, personal newsletters, document indexing, image generation, and text-to-speech. Access from web, Obsidian, Emacs, desktop, mobile, or messaging platforms.

    25 Khoj alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Python
    • Homebrew
    • Docker
     
  7. Z.ai icon
     10 likes

    Z.ai is an AI-powered conversational platform developed by Zhipu AI, designed to provide intelligent, natural, and context-aware interactions. It leverages Zhipu’s advanced large language models (GLM series) to support tasks such as answering questions, generating content...

    73 Z.ai alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
     
  8. Open R1 icon
     13 likes

    Open R1 is a community-driven, open-source initiative aimed at replicating the advanced AI capabilities of DeepSeek-R1 through transparent methodologies.

    Cost / License

    Platforms

    • Self-Hosted
    • Python
     
  9. Private GPT icon
     34 likes

    Ask questions to your documents without an internet connection, using the power of LLMs. 100% private, no data leaves your execution environment at any point. You can ingest documents and ask questions without an internet connection!

    299 Private GPT alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
  10. MiroThinker icon
     9 likes

    MiroThinker is an open-source search agent model, built for tool-augmented reasoning and real-world information seeking, aiming to match the deep research experience of OpenAI Deep Research and Gemini Deep Research.

    Cost / License

    Platforms

    • Python
    • Windows
    • Linux
    • Mac
    • Self-Hosted
     
  11. Skales icon
     4 likes

    Privacy-first local AI agent automates web and app workflows without cloud reliance, installs in 30 seconds, supports local and API-driven models, features browser automation, self-coding Node.js tools, native integrations, and stores all data locally.

    53 Skales alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
     
  12. Kai AI icon
     5 likes

    Open-source AI assistant builds interactive chat interfaces with elements like buttons, forms, and tables, delivers over 40 tools, supports 24 AI services, local models for offline use, encrypted chat history, no ads, free usage, and privacy by design.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • F-Droid
    • iPhone
    • iPad
    • Android Tablet
    • Chrome OS
     
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