Apertus AlternativesAI Chatbots & Large Language Model (LLM) Tools like Apertus

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 50 alternatives to Apertus for a variety of platforms, including Web-based, Mac, Windows, Android and iPhone apps. The best Apertus alternative is ChatGPT, which is free. Other great apps like Apertus are Lumo by Proton, DeepSeek, Mistral Le Chat and DuckDuckGo AI Chat.

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Alternatives list

  1. ChatGPT icon

    ChatGPT

     425 likes

    AI language model perfect for generating interactive human-like text in various styles. Built on architecture allowing real-time natural language generation, ideal for applications demanding fluent, relevant output over diverse topics broadened by extensive training data.

    428 ChatGPT alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    ChatGPT screenshot 1
     

    • ChatGPT is the most popular Web-based, Windows, Android & Mac alternative to Apertus.

    • ChatGPT is the most popular free alternative to Apertus.

    • ChatGPT is Freemium and ProprietaryApertus is Free and Open Source
  2. Lumo by Proton icon

    Lumo by Proton

     80 likes

    Privacy-first AI assistant utilizing zero-access encryption and open-source code, ensuring no data logging, profiling, or training on chats, providing user-controlled, encrypted conversations, with compliance under GDPR and no sharing with third parties.

    98 Lumo by Proton alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source (GPL-3.0)

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    Lumo by Proton screenshot 1
     

    • Lumo by Proton is the most popular Open Source alternative to Apertus.

    • Lumo by Proton is Freemium and Open SourceApertus is Free and Open Source
  4. DeepSeek icon

    DeepSeek

     99 likes

    DeepSeek is a state-of-the-art AI assistant designed to provide intelligent, conversational support across diverse tasks. It leverages advanced natural language processing and machine learning to answer questions, generate creative content, solve complex problems, and offer...

    149 DeepSeek alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Open Source (MIT)

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    DeepSeek screenshot 1
     
  5. Ad
    Screenshot
    i10x icon
    i10x

    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 i...

    https://i10x.ai
    Learn More
  6. Mistral Le Chat icon

    Mistral Le Chat

     93 likes

    Explore Mistral’s conversational tech with educational, fun interactivity. Customizable, unbiased models excel in performance benchmarks, supporting flexible deployment.

    179 Mistral Le Chat alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    Mistral Le Chat screenshot 1
     

    • Mistral Le Chat is the most popular SaaS alternative to Apertus.

    • Mistral Le Chat is Free Personal and ProprietaryApertus is Free and Open Source
  7. DuckDuckGo AI Chat icon

    DuckDuckGo AI Chat

     75 likes

    Duck.ai is a free feature that allows you to have private conversations with 3rd-party AI chat models, anonymized by us. It currently supports Anthropic’s Claude 3 Haiku, Meta’s Llama 4, Mistral AI’s Mistral Small 3, and OpenAI’s GPT-4o mini.

    109 DuckDuckGo AI Chat alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • DuckDuckGo
    DuckDuckGo AI Chat screenshot 1
     
  8. Google Gemini icon

    Google Gemini

     141 likes

    AI assistant offers writing, planning, learning support, generating images from text, and transforming text to speech. Utilizes large language models and syncs across devices without requiring coding skills. Supports dark mode and ad-free experience.

    312 Google Gemini alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Wear
    • Google Docs
    • Gmail
    Google Gemini screenshot 1
     
  10. Jan.ai icon

    Jan.ai

     84 likes

    Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

    181 Jan.ai alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    • Online
    Jan.ai screenshot 1
     

    • Jan.ai is the most popular Linux alternative to Apertus.

    • Jan.ai is Free and Open SourceApertus is also Free and Open Source
    • Jan.ai is Customizable and LightweightApertus is not according to our users
  11. Claude icon

    Claude

     85 likes

    Claude is a next-generation AI assistant based on Anthropic’s research into training helpful, honest, and harmless AI systems. Accessible through chat interface and API in our developer console, Claude is capable of a wide variety of conversational and text processing tasks...

    256 Claude alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • iPad
    • Software as a Service (SaaS)
    • Google Sheets
    Claude screenshot 1
     
  12. Microsoft Copilot icon

    Microsoft Copilot

     84 likes

    Microsoft Copilot (previously know as Bing Chat) is a new Chatbot feature for Microsoft Bing which aim to revolutionize the search engine experience through AI-powered technology.

    232 Microsoft Copilot alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Microsoft Copilot screenshot 1
     
  13. Secret Llama icon

    Secret Llama

     54 likes

    Fully private LLM chatbot that runs entirely with a browser with no server needed. Supports Mistral and LLama 3.

    123 Secret Llama alternatives

    Cost / License

    Application types

    Platforms

    • Online
    • Self-Hosted
    Secret Llama screenshot 1
     

    • Secret Llama is the most popular Self-Hosted alternative to Apertus.

    • Secret Llama is Free and Open SourceApertus is also Free and Open Source
  15. Poe icon

    Poe

     66 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.

    320 Poe alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Poe screenshot 1
     
12 of 72 Apertus alternatives