Open Source Google Gemini AlternativesTop AI Chatbots & Large Language Model (LLM) Tools like Google Gemini

The best open source alternative to Google Gemini is Lumo by Proton. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Gemini and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Google Gemini are DeepSeek, Jan.ai, Qwen and Alpaca - Ollama Client.

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Google Gemini 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 Free, Android and Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Google Gemini.
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Alternatives list

  1. Lumo by Proton icon
     109 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.

    126 Lumo by Proton alternatives

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
     
  2. DeepSeek icon
     127 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...

    198 DeepSeek alternatives

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
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  3. Jan.ai icon
     105 likes

    Open-source offline AI platform supports local LLMs including Llama, Gemma, Qwen, GPT-oss, integrates cloud services like OpenAI and Anthropic, enables custom assistant creation, offers OpenAI-compatible API on localhost, operates across diverse hardware and ensures privacy.

    242 Jan.ai alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    • Flatpak
     
  4. Alpaca is an Ollama client where you can manage and chat with multiple models, Alpaca provides an easy and begginer friendly way of interacting with local AI.

    182 Alpaca - Ollama Client alternatives

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    • Linux Mobile
     
  5. Ensu icon
     25 likes

    Private offline AI chat using local language models on mobile and desktop, no accounts or tracking, open source Rust core, privacy-first design, cross-platform availability, ideal for confidential conversations, with end-to-end encrypted sync coming soon.

    55 Ensu alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  6. Ollama App icon
     30 likes

    A modern and easy-to-use client for Ollama.

    148 Ollama App alternatives

    Cost / License

    Platforms

    • Windows
    • Linux
    • Android
    • F-Droid
     
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    1
  7. Meta Llama icon
     37 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.

    257 Meta Llama alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
     
  8. Apertus icon
     26 likes

    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.

    101 Apertus alternatives

    Cost / License

    Platforms

    • Online
    • Self-Hosted
     
  9. Euria icon
     18 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.

    81 Euria alternatives

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
     
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