Open Source LM Studio Alternatives for Windows

There are many alternatives to LM Studio for Windows if you are looking for a replacement. The best open source Windows alternative is Ollama. If that doesn't suit you, our users have ranked more than 50 alternatives to LM Studio and many of them are open source and available for Windows so hopefully you can find a suitable replacement. Other interesting open source Windows alternatives to LM Studio are Jan.ai, GPT4ALL, AnythingLLM and Ensu.

filter to find the best alternatives

LM Studio 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 Open Source and Windows + Open Source. These are just examples - use the filter bar below to find more specific alternatives to LM Studio.
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Alternatives list

  1. Ollama icon
     155 likes

    Supports local deployment of Llama 3, Code Llama, and other language models, enabling users to customize and create personalized models. Ideal for AI development, it offers flexibility for offline AI needs and integrates AI writing and chatbot tools in local setups.

    90 Ollama alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
     
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  2. Jan.ai icon
     108 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.

    249 Jan.ai alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    • Flatpak
     
  3. GPT4ALL icon
     141 likes

    Locally runs open-source chatbots focused on privacy using consumer CPUs, requiring no internet or GPU. Supports multiple models, custom settings, code and dialogue generation, integrated model downloader, familiar chat UI, and both MIT and enterprise licensing.

    203 GPT4ALL alternatives

    Cost / License

    • Paid
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
     
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  4. AnythingLLM icon
     54 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.

    217 AnythingLLM alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
     
  5. Ensu icon
     30 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.

    59 Ensu alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  6. Khoj icon
     42 likes

    Khoj is an open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers.

    201 Khoj alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Python
    • Docker
    • Homebrew
     
  7. Pinokio icon
     26 likes

    Install, run & control servers, bots, databases, AI apps, terminal apps, or anything on your computer with 1 click.

    17 Pinokio alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
     
  8. Private GPT icon
     34 likes

    Ask questions to your documents without an internet connection, using the power of LLMs. 100% private, no data leaves your execution environment at any point. You can ingest documents and ask questions without an internet connection!

    285 Private GPT alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
  9. NodeTool icon
     7 likes

    NodeTool is a playground for AI that uses a visual canvas to connect different AI tools - like GPT, image creators, and video generators - into one seamless workflow. Instead of jumping between five different apps to write a script, generate an image, and turn it into a video...

    23 NodeTool alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
     
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