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, Android and Linux apps. The best Apertus alternative is ChatGPT, which is free. Other great apps like Apertus are Lumo by Proton, DeepSeek, Mistral Le Chat and Google Gemini.

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Apertus alternatives page was last updated

Alternatives list

  1. ExpressAI icon
     5 likes

    Have a truly private AI conversation with powerful models and compare results. Brainstorm, create, and analyze without compromising your data.

    34 ExpressAI alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
  2. DankGPT icon
     5 likes

    Unlock your documents with instant insights.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
     
  3. A traditional operating system takes instructions. An AI operating system takes objectives. Personal Computer gives Perplexity Computer and the Comet Assistant always-on, local access to your machine's files, apps, and sessions through a continuously running compact desktop.

    51 Personal Computer alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  4. Whismer AI icon
     4 likes

    Whismer is a customized AI question-and-answer tool that allows users to train their own AI chatbot with their own resources, making it capable of solving any problem in their specific field.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  5. In Chat Stream, you can complete writing, run code, view images and organize content in one conversation, and call thousands of scenario-based GPT assistants with one click.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
     
  6. Skales icon
     3 likes

    A privacy-first, local AI desktop agent (exe/dmg) that automates web and app tasks autonomously without requiring Docker or terminal setup.

    53 Skales alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Mac
     
  7. IronClaw icon
     2 likes

    OpenClaw is powerful, but give it real credentials and you're exposed. Prompt injections steal API keys. Malicious skills grab passwords. IronClaw fixes this. Your credentials live in an encrypted vault inside a TEE — injected at the network boundary only for approved...

    Cost / License

    Application type

    Platforms

    • Online
    • Windows
    • Mac
    • Self-Hosted
    • Linux
     
  8. Hermes Agent icon
     1 like

    The self-improving AI agent built by Nous Research. It's the only agent with a built-in learning loop — it creates skills from experience, improves them during use, nudges itself to persist knowledge, searches its own past conversations, and builds a deepening model of who...

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Docker
    • Linux
    • Mac
    • Termux
    • Windows
    • Android
     
  9. zclaw icon
     1 like

    Your personal AI assistant at all-in 888KiB (~25KB in app code). Running on an ESP32. GPIO, cron, custom tools, memory, and more.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Linux
    • Raspberry Pi
     
  10. Teleton is an AI agent that controls its own Telegram account with native TON blockchain integration. Powered by its own agentic loop and 100+ built-in tools, it manages his own wallet, Gifts, DMs, channels, and group & more like any Telegram user.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
    • Mac
    • Linux
    • Self-Hosted
     
  11. DuckLLM icon
     1 like

    DuckLLM is a Private & Secure Local LLM (AI) For Desktop And Mobile, DuckLLM Offers Easy Access To Local LLMs With Security And Privacy In Mind With a Stylish Modern Dynamic Island Type Of GUI (Graphical User Interface) For User Trust This Project Is Completely Open Source...

    Cost / License

    Platforms

    • Windows
    • Android
    • Linux
    • Self-Hosted
     
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