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ChatLLM alternatives · AI Assistants

Open-source alternatives to ChatLLM

ChatLLM is not described as open source on its own site. 13 of the 57 other AI assistants in this directory are open source, according to their own sites.

ChatLLM is a paid product, starting at $10 per user / month (Basic). All of them are free or have a free plan.

13 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

The 12 closest to ChatLLM

  1. DeepSeek

    Free AI chat assistant built on DeepSeek's openly released models

    • DeepSeek is free. ChatLLM starts at $10 per user / month (Basic).
    • DeepSeek has a free plan. ChatLLM does not.
    • Only DeepSeek lists macOS and Windows apps.
    • Only ChatLLM lists a browser extension.
    DeepSeek pricing and details

  2. HuggingChat

    Hugging Face's open-source chat app for open AI models

    • HuggingChat starts at $9 per month (Hugging Face PRO). ChatLLM starts at $10 per user / month (Basic).
    • HuggingChat has a free plan. ChatLLM does not.
    • Only ChatLLM lists iOS and Android apps.
    • Only ChatLLM lists a browser extension.
    HuggingChat pricing and details

  3. Jan

    Open-source desktop app for running local and cloud AI models

    • Jan is free. ChatLLM starts at $10 per user / month (Basic).
    • Jan has a free plan. ChatLLM does not.
    • Only Jan lists macOS, Windows and Linux apps.
    • Only ChatLLM lists a web app.
    Jan pricing and details

  4. LibreChat

    Open-source, self-hosted chat interface for many AI providers

    • LibreChat is free. ChatLLM starts at $10 per user / month (Basic).
    • LibreChat has a free plan. ChatLLM does not.
    • Only ChatLLM lists iOS and Android apps.
    • Only ChatLLM lists a browser extension.
    LibreChat pricing and details

  5. Chatbox

    AI chat client for your own API keys or a hosted model plan

    • Chatbox starts at $3.50 per month, billed annually ($3.99 billed monthly). ChatLLM starts at $10 per user / month (Basic).
    • Chatbox has a free plan. ChatLLM does not.
    • Only Chatbox lists macOS, Windows and Linux apps.
    • Only ChatLLM lists a browser extension.
    Chatbox pricing and details

  6. PyGPT

    Open-source desktop AI assistant with agents, RAG and local models

    • PyGPT is free. ChatLLM starts at $10 per user / month (Basic).
    • PyGPT has a free plan. ChatLLM does not.
    • Only PyGPT lists Windows, Linux and macOS apps.
    • Only ChatLLM lists a web app.
    PyGPT pricing and details

  7. Maple AI

    End-to-end encrypted AI chat that runs open models in enclaves

    • Maple AI starts at $20 per month (Pro). ChatLLM starts at $10 per user / month (Basic).
    • Maple AI has a free plan. ChatLLM does not.
    • Only Maple AI lists macOS, Windows and Linux apps.
    • Only ChatLLM lists a browser extension.
    Maple AI pricing and details

  8. Lumo

    Proton's private AI assistant with zero-access encrypted chats

    • Lumo starts at $9.99 per month, billed yearly ($119.88), or $12.99 billed monthly. ChatLLM starts at $10 per user / month (Basic).
    • Lumo has a free plan. ChatLLM does not.
    • Only ChatLLM lists a browser extension.
    • Lumo is open source, according to its own site.
    Lumo pricing and details

  9. AnythingLLM

    Open-source AI app for documents, agents and local models

    • AnythingLLM starts at $50 per month (Basic hosted cloud instance). ChatLLM starts at $10 per user / month (Basic).
    • AnythingLLM has a free plan. ChatLLM does not.
    • Only AnythingLLM lists macOS, Windows and Linux apps.
    • Only ChatLLM lists an iOS app.
    AnythingLLM pricing and details

  10. Cherry Studio

    Open-source desktop AI client for 50+ model providers

    • Cherry Studio has a free plan. ChatLLM does not.
    • Only Cherry Studio lists macOS, Windows and Linux apps.
    • Only ChatLLM lists a web app.
    • Only ChatLLM lists a browser extension.
    Cherry Studio pricing and details

  11. Big-AGI

    Multi-model AI workspace that compares and merges answers

    • Big-AGI starts at $9 per month, billed yearly ($108), or $10.99 billed monthly (Pro). ChatLLM starts at $10 per user / month (Basic).
    • Big-AGI has a free plan. ChatLLM does not.
    • Only ChatLLM lists iOS and Android apps.
    • Only ChatLLM lists a browser extension.
    Big-AGI pricing and details

  12. NextChat

    Lightweight open-source AI chat client you can self-deploy

    • NextChat has a free plan. ChatLLM does not.
    • Only NextChat lists macOS, Windows and Linux apps.
    • Only ChatLLM lists an Android app.
    • Only ChatLLM lists a browser extension.
    NextChat pricing and details

1 more that are open source

All 13 in one table

Common questions

Is there an open-source alternative to ChatLLM?

Yes. DeepSeek, HuggingChat, Jan, LibreChat, Chatbox, PyGPT, Maple AI, Lumo and 5 more are open source, according to their own sites.

Is ChatLLM open source?

ChatLLM is not described as open source on its own site. The listing was checked on Oct 6, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to ChatLLM: the alternatives its listing names first, then the tools that share the most features with it.