Apertus Alternatives

Apertus is described as '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' and is a AI Chatbot in the ai tools & services category. There are more than 100 alternatives to Apertus for a variety of platforms, including Web-based, Mac, Windows, Linux and Android apps. The best Apertus alternative is ChatGPT, which is free. Other great apps like Apertus are Lumo by Proton, DeepSeek, Mistral Vibe and Google Gemini.

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Alternatives
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Alternatives list

  1. Google Gemma icon
     32 likes

    A family of lightweight, state-of-the art open models built from the same research and technology that we used to create the Gemini models.

    104 Google Gemma alternatives

    Cost / License

    Application type

    Platforms

    • Windows
    Good alternative?
     
  2. Meta AI icon
     27 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 .

    157 Meta AI alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Facebook
    • WhatsApp
    • Instagram
    • Facebook Messenger
    • Mac
    • US flagUnited States
    Meta AI screenshot 1
    Good alternative?
     
  3. Khoj icon
     47 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.

    41 Khoj alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Python
    • Homebrew
    • Docker
    Good alternative?
     
  4. Skales icon
     11 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.

    60 Skales alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    Good alternative?
     
  5. 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.

    194 Apple Intelligence alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    Good alternative?
     
  6. Brave Leo icon
     26 likes

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

    194 Brave Leo alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Brave
    • Android
    • Android Tablet
    • iPhone
    • iPad
    Good alternative?
     
  7. Chatbox AI icon
     31 likes

    Unleash the power of artificial intelligence right at your fingertips with Chatbox, the versatile client application seamlessly integrated across all major platforms – Windows, Mac, Linux, Web, and iOS.

    129 Chatbox AI alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
  8. Kai AI icon
     9 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.

    64 Kai AI alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • F-Droid
    • iPhone
    • iPad
    • Android Tablet
    • Chrome OS
    Good alternative?
     
  9. Private GPT icon
     35 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!

    313 Private GPT alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
    Good alternative?
     
  10. 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

    Application type

    Platforms

    • Self-Hosted
    • Python
    Good alternative?
     
  11. LlamaGPT icon
     29 likes

    LlamaGPT is a chatbot that provides a ChatGPT-like experience, with no data leaving your device.

    Cost / License

    • Free
    • Proprietary (MIT)

    Application type

    Platforms

    • Software as a Service (SaaS)
    Good alternative?
     
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