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 list

  1. Euria icon
     28 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)
     
  2. Secret Llama icon
     63 likes

    Runs fully private, offline chatbot entirely in browser, ensuring conversation data never leaves the device. No server, installation, external services, or account needed. Supports Llama 3, Mistral, and other open source models in a ChatGPT-like interface for privacy-focused users.

    Cost / License

    Platforms

    • Online
    • Self-Hosted
     
  3. Grok icon
     64 likes

    Grok is an AI-powered assistant, developed by xAI, designed to be maximally truthful, useful, and curious. Get answers to any question, generate striking images, and upload pictures to gain a deeper understanding of your world. With Grok, the universe is in your hands!

    213 Grok alternatives

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • X
     
  4. Poe icon
     76 likes

    Poe is a web-based AI platform that hosts multiple assistant bots—including Claude and various GPT and image/audio models—to provide conversational Q&A, image and audio generation, and automated AI workflows.

    401 Poe alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  5. LibreChat icon
     49 likes

    LibreChat is a free, open source AI chat platform. This Web UI offers vast customization, supporting numerous AI providers, services, and integrations. Serves all AI Conversations in one place with a familiar interface, innovative enhancements, for as many users as you need.

    156 LibreChat alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Docker
    • Cloudron
    • npm
     
  6. Hermes Agent icon
     23 likes

    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...

    71 Hermes Agent alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Self-Hosted
    • Cloudron
    • Docker
    • Termux
     
  7. Z.ai icon
     16 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...

    79 Z.ai alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
     
  8. NanoClaw icon
     17 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.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Linux
    • Docker
    • Node.JS
     
  9. Meta Llama icon
     38 likes

    As part of Meta’s commitment to open science, today we are publicly releasing Llama (Large Language Model Meta AI), a state-of-the-art foundational large language model designed to help researchers advance their work in this subfield of AI.

    273 Meta Llama alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
     
  10. Kimi icon
     24 likes

    AI assistant supports complex math, coding, image understanding, and reasoning with up to 128k token processing, short and long chain-of-thought tasks, visual and text input, accurate benchmarks, self-learning ability, and reinforcement learning for improvement.

    116 Kimi alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Windows
    • Mac
     
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