Mellum Alternatives

Mellum is described as '-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks' and is a large language model (llm) tool in the ai tools & services category. There are more than 50 alternatives to Mellum for a variety of platforms, including Web-based, Windows, Mac, Linux and Android apps. The best Mellum alternative is ChatGPT, which is free. Other great apps like Mellum are Lumo by Proton, DeepSeek, Mistral Vibe and Google Gemini.

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Alternatives list

  1. OpenBlock icon
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    OB-1 is a terminal-based coding agent — like Claude Code, but with multi-model access and self-optimizing workflows. You bring your own API keys (or use ours), pick the best model for each task, and let OB-1 handle the rest.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
    • Linux
    • Mac
     
  2. KamuAI icon
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    Privacy-focused AI chat assistant compatible with Windows, Mac, and Linux. Operates completely offline or with EU-hosted models, never uploads data, keeps chats secure, supports multiple tabs, prompt libraries, organized conversations, and flexible usage-based pricing.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Windows
    • Mac
     
  3. Model Diplomat is an AI-powered assistant built for Model United Nations (MUN) delegates, helping you prepare, practice, and perform at your best.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  4. Built end-to-end by Tencent, Hy is a large language model engineered for excellence in content creation, reasoning, code, and conversation. From complex tasks in writing, research, and work, to everyday dialogue, knowledge, and creativity, Hy responds with precision, coherence...

    Cost / License

    Platforms

    • Self-Hosted
    • Python
    • Mac
    • Windows
    • Linux
    • Online
     
  5. SageBow icon
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    SageBow's autonomous AI agents deploy directly into your Python environment and execute end-to-end tasks.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  6. Anahata ASI - Artificial Super Intelligence - Cross-Platform, Modular, Enterprise Ready, Open Source, Pure Java, AGI and ASI Containers. Context Window Garbage Collector, Stateful Toolkits, Flight Recorder. Autonomous Observable Auditable JVM Agent with JIT java code execution.

    Cost / License

    Platforms

    • Windows
    • Linux
    • Mac
     
  7. Thremark icon
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    AI chat with real memory. Say something once — it knows forever. Every fact visible as a Mark you can edit or delete.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • iPhone
    • iPad
    • Online
     
  8. Offers llama, nova, mixtral, and multiple versions of Claude. SDXL and Titan Image for image generation. Great interface with tools like document submission and web search.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  9. Ozus PC Assistant is an AI based Windows PC Agent using which you will be able to manage files, boost performance, launch apps faster, Edit documents and creats PDFs and interact with your PC using built-in AI.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Windows
     
  10. Aris icon
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    Aris is a smart encyclopedia with advanced parental controls, allowing all ages to learn and explore without the distractions or inappropriate content on the internet.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  11. Anahata ASI Desktop is the world’s first stateful, air-gapped Java ASI (Artificial Super Intelligence) Container designed to run entirely on your local workstation or private corporate network.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Apache NetBeans
     
  12. Spoton AI icon
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    Sovereign AI orchestration platform for enterprises. Centralize GPT, Claude, Gemini and Mistral in one unified interface with 100+ business-ready AI agents. GDPR-compliant, European-hosted.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    • Online
     
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