Lumo by Proton Alternatives

Lumo by Proton is described as 'Privacy-first AI assistant with zero-access encryption, no logging or profiling, open-source code, and user-controlled conversations, subject to GDPR regulations' and is a very popular AI Chatbot in the ai tools & services category. There are more than 100 alternatives to Lumo by Proton for a variety of platforms, including Web-based, Android, iPhone, Mac and Windows apps. The best Lumo by Proton alternative is ChatGPT, which is free. Other great apps like Lumo by Proton are DeepSeek, Mistral Le Chat, Google Gemini and DuckDuckGo AI Chat.

filter to find the best alternatives

Lumo by Proton alternatives are mainly AI Chatbots, but if you're looking for AI Writing Tools or Large Language Model (LLM) 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 Lumo by Proton.
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Alternatives list

  1. Ensu icon
     14 likes

    Private offline AI chat using local language models on mobile and desktop, no accounts or tracking, open source Rust core, privacy-first design, cross-platform availability, ideal for confidential conversations, with end-to-end encrypted sync coming soon.

    52 Ensu alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  2. Together Chat icon
     15 likes

    Together Chat is a next-generation consumer app designed to let you interact seamlessly with today's most popular open-source models, including free access to DeepSeek R1, securely hosted in the North America.

    148 Together Chat alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  3. fullmoon icon
     17 likes

    The simplest way to use private LLMs: Works fully offline and private when you don’t have internet. Runs models on-device optimized for Apple silicon.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • iPhone
    • iPad
    • visionOS
     
  4. Provides AI-powered writing tools, image generation, Genmoji, and memory movies; enhances Siri with deeper context and actions; integrates ChatGPT for complex tasks; prioritizes on-device processing for privacy; unifies features across Apple devices with Private Cloud Compute.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Mac
    • iPhone
    • iPad
     
  5. Goose OSS icon
     13 likes

    An open-source platform for seamless automation in engineering tasks, providing local execution and control. Customizable with any LLM for enhanced autonomy, enabling developers to efficiently handle debugging to deployment tasks while preserving privacy.

    124 Goose OSS alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  6. Brave Leo icon
     24 likes

    Leo is an AI-powered intelligent assistant, built right into the browser. Leo can answer questions, help accomplish tasks, and more.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Brave
    • Android
    • Android Tablet
    • iPhone
    • iPad
     
  7. Maid (AI) icon
     13 likes

    Maid is a cross-platform Flutter app for interfacing with GGUF / llama.cpp models locally, and with Ollama and OpenAI models remotely.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • F-Droid
     
  8. Open R1 icon
     12 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
     33 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!

    275 Private GPT alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
  10. Kimi icon
     10 likes

    Kimi is an intelligent assistant app that uses advanced reasoning to help users solve complex problems in areas like math, coding, and visual reasoning. It can handle both long and short chain-of-thought tasks efficiently, processing text and visual data to analyze images and...

    84 Kimi alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
     
  11. Moshi icon
     14 likes

    Moshi is an innovative AI chatbot with advanced voice recognition, real-time interaction, and dual audio streams, setting up a new standard for voice-based chatbots.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
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