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Mammouth alternatives · AI Assistants

Open-source alternatives to Mammouth

Mammouth 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.

Mammouth is a paid product, starting at $10 per month, billed yearly ($120), or $12 billed monthly. 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 Mammouth

  1. DeepSeek

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

    • DeepSeek is free. Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • DeepSeek has a free plan. Mammouth does not.
    • Only DeepSeek lists iOS, macOS and Windows apps.
    • DeepSeek is open source, according to its own site.
    DeepSeek pricing and details

  2. Jan

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

    • Jan is free. Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • Jan has a free plan. Mammouth does not.
    • Only Jan lists macOS, Windows and Linux apps.
    • Only Mammouth lists a web app.
    Jan pricing and details

  3. Maple AI

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

    • Maple AI starts at $20 per month (Pro). Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • Maple AI has a free plan. Mammouth does not.
    • Only Maple AI lists macOS, Windows, Linux and iOS apps.
    • Maple AI is open source and end-to-end encrypted, according to its own site.
    Maple AI pricing and details

  4. 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. Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • Lumo has a free plan. Mammouth does not.
    • Only Lumo lists an iOS app.
    • Lumo is open source, according to its own site.
    Lumo pricing and details

  5. HuggingChat

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

    • HuggingChat starts at $9 per month (Hugging Face PRO). Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • HuggingChat has a free plan. Mammouth does not.
    • Only Mammouth lists an Android app.
    • HuggingChat is open source and self-hostable, according to its own site.
    HuggingChat pricing and details

  6. LibreChat

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

    • LibreChat is free. Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • LibreChat has a free plan. Mammouth does not.
    • Only Mammouth lists an Android app.
    • LibreChat is open source and self-hostable, according to its own site.
    LibreChat pricing and details

  7. 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). Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • Chatbox has a free plan. Mammouth does not.
    • Only Chatbox lists macOS, Windows, Linux and iOS apps.
    • Chatbox is open source, according to its own site.
    Chatbox pricing and details

  8. PyGPT

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

    • PyGPT is free. Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • PyGPT has a free plan. Mammouth does not.
    • Only PyGPT lists Windows, Linux and macOS apps.
    • Only Mammouth lists a web app.
    PyGPT 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). Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • AnythingLLM has a free plan. Mammouth does not.
    • Only AnythingLLM lists macOS, Windows and Linux apps.
    • AnythingLLM is open source and self-hostable, according to its own site.
    AnythingLLM pricing and details

  10. Cherry Studio

    Open-source desktop AI client for 50+ model providers

    • Cherry Studio has a free plan. Mammouth does not.
    • Only Cherry Studio lists macOS, Windows, Linux and iOS apps.
    • Only Mammouth lists a web app.
    • Cherry Studio is open source, according to its own site.
    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). Mammouth starts at $10 per month, billed yearly ($120), or $12 billed monthly.
    • Big-AGI has a free plan. Mammouth does not.
    • Only Mammouth lists an Android app.
    • Big-AGI is open source and self-hostable, according to its own site.
    Big-AGI pricing and details

  12. NextChat

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

    • NextChat has a free plan. Mammouth does not.
    • Only NextChat lists macOS, Windows, Linux and iOS apps.
    • Only Mammouth lists an Android app.
    • NextChat is open source and self-hostable, according to its own site.
    NextChat pricing and details

1 more that are open source

All 13 in one table

Common questions

Is there an open-source alternative to Mammouth?

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

Is Mammouth open source?

Mammouth 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 Mammouth: the alternatives its listing names first, then the tools that share the most features with it.