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, Mac, iPhone and Windows apps. The best Lumo by Proton alternative is ChatGPT, which is free. Other great apps like Lumo by Proton are DeepSeek, Mistral Vibe, Perplexity and Google Gemini.

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Lumo by Proton 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 Lumo by Proton.
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Alternatives list

  1. Woozlit icon
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    Woozlit is a free, privacy-focused AI chat assistant designed to streamline writing, summarization, and creative tasks while keeping users distraction-free and secure. It offers a wide range of features including text-to-image generation, text-to-speech conversion, grammar and...

    18 Woozlit alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Online
     
  2. AgentSea icon
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    AgentSea is a private, faster, and safer chat interface that gives you access to the latest AI models and agents. Our platform is designed to provide a secure environment for you to explore and interact with advanced AI without compromising your privacy.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  3. Hal icon
     1 like

    HAL is a network that learns which AI fits you. Every AI — Claude, Gemini, ChatGPT, Grok, DeepSeek — and a network of human specialists, all in one conversation.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • iPhone
    • Android
     
  4. ChatSUTRA icon
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    ChatSUTRA is a multilingual AI assistant by TWO AI that delivers ultrafast, reliable conversations in 50+ languages for chat, learning, brainstorming, and problem-solving.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Android
    • iPhone
    • iPad
    • Android Tablet
    • Online
     
  5. StepFun icon
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    StepFun is an AI-powered platform offering smart personal assistance, creative tools, and advanced generative models for text, audio, and video.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
     
  6. K2Think icon
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    K2Think is an advanced reasoning model developed by MBZUAI that specializes in tackling complex, multi-layered problems through adaptive analysis. Unlike traditional AI systems that rely on static outputs, K2Think dynamically adjusts its reasoning process to fit the depth and...

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  7. i10x icon
     1 like

    All-in-one platform offering over 500 AI models, including top options for content creation, legal, image generation, sales, marketing, finance, and operations, with robust security and a single subscription for seamless use by individuals or enterprise teams.

    53 i10x alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Android
     
  8. Better Chatbot is a streamlined AI companion built for clarity and speed. It eliminates friction in conversations by delivering razor-focused responses. Designed for adaptability, it scales from casual queries to complex workflows with ease.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
     
  9. Ozus PC Assistant is an AI based Windows PC Agent using which you will be able to manage files, boost performance, launch apps faster, Edit documents and creats PDFs and interact with your PC using built-in AI.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
     
  10. cs.AI icon
     5 likes

    An honest AI assistant that grounds answers in real knowledge and live search — no hallucinations, no API key required. Works offline. Open source.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
     
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