Open Source DeepSeek AlternativesAI Chatbots & Large Language Model (LLM) Tools like DeepSeek

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

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DeepSeek 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 Online + Free, Free 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 DeepSeek.
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Alternatives list

  1. Lumo by Proton icon
     162 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.

    150 Lumo by Proton alternatives

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    • OpenAPK
     
  2. Qwen icon
     70 likes

    The Qwen team is dedicated to pursuing artificial general intelligence (AGI) and is focused on building generalist models, including large language models and large multimodal models.

    154 Qwen alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Online
    • Self-Hosted
    • Android
     
  3. Jan.ai icon
     118 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.

    273 Jan.ai alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    • Flatpak
     
  4. Ensu icon
     37 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.

    77 Ensu alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  5. AnythingLLM icon
     70 likes

    Open-source privacy-focused chatbot platform allowing unlimited document uploads, multi-user and single-user modes, AI-powered chat with documents, vector database and LLM compatibility, customizable interface, message history, secure desktop deployment, and full user controls.

    246 AnythingLLM alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
     
  6. 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.

    91 Euria alternatives

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
     
  7. 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.

    157 LibreChat alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
    • Docker
    • Cloudron
    • npm
     
  8. Apertus icon
     29 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.

    Cost / License

    Platforms

    • Online
    • Self-Hosted
     
  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. 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...

    80 Z.ai alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
     
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