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Duck.ai alternatives · AI Assistants

Open-source alternatives to Duck.ai

Duck.ai 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.

Duck.ai has a free plan. Paid plans start at $9.99 per month, or $99.99 per year (DuckDuckGo Plus). 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 Duck.ai

  1. 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. Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Duck.ai lists macOS and Windows apps.
    • Lumo is open source, according to its own site.
    • Lumo also covers AI search.
    Lumo vs Duck.aiLumo 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). Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Duck.ai lists macOS, Windows, iOS and Android apps.
    • HuggingChat is open source and self-hostable, according to its own site.
    • HuggingChat also covers AI search and AI agents.
    HuggingChat vs Duck.aiHuggingChat 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). Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Maple AI lists a Linux app.
    • Maple AI is open source and end-to-end encrypted, according to its own site.
    • Maple AI also covers AI search.
    Maple AI vs Duck.aiMaple AI pricing and details

  4. DeepSeek

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

    • DeepSeek is free. Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • DeepSeek is open source, according to its own site.
    • DeepSeek also covers AI search and AI agents.
    • Duck.ai also covers dictation.
    DeepSeek pricing and details

  5. Jan

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

    • Jan is free. Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Jan lists a Linux app.
    • Only Duck.ai lists a web app.
    • Only Duck.ai lists iOS and Android apps.
    Jan pricing and details

  6. AnythingLLM

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

    • AnythingLLM starts at $50 per month (Basic hosted cloud instance). Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only AnythingLLM lists a Linux app.
    • Only Duck.ai lists an iOS app.
    • AnythingLLM is open source and self-hostable, according to its own site.
    AnythingLLM pricing and details

  7. LibreChat

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

    • LibreChat is free. Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Duck.ai lists macOS, Windows, iOS and Android apps.
    • LibreChat is open source and self-hostable, according to its own site.
    • LibreChat also covers AI search and AI agents.
    LibreChat pricing and details

  8. Cherry Studio

    Open-source desktop AI client for 50+ model providers

    • Only Cherry Studio lists a Linux app.
    • Only Duck.ai lists a web app.
    • Cherry Studio is open source, according to its own site.
    • Cherry Studio also covers AI agents.
    Cherry Studio pricing and details

  9. 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). Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Chatbox lists a Linux app.
    • Chatbox is open source, according to its own site.
    • Chatbox also covers AI search and AI agents.
    Chatbox pricing and details

  10. 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). Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Duck.ai lists macOS, Windows, iOS and Android apps.
    • Big-AGI is open source and self-hostable, according to its own site.
    • Duck.ai also covers dictation.
    Big-AGI pricing and details

  11. NextChat

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

    • Only NextChat lists a Linux app.
    • Only Duck.ai lists an Android app.
    • NextChat is open source and self-hostable, according to its own site.
    • Duck.ai also covers dictation.
    NextChat pricing and details

  12. PocketPal AI

    Open-source app for running AI models offline on phones and tablets

    • PocketPal AI starts at $0.99 per premium Pal, one-time (US App Store in-app purchase). Duck.ai starts at $9.99 per month, or $99.99 per year (DuckDuckGo Plus).
    • Only Duck.ai lists a web app.
    • Only Duck.ai lists macOS and Windows apps.
    • PocketPal AI is open source, according to its own site.
    PocketPal AI pricing and details

1 more that are open source

All 13 in one table

Common questions

Is there an open-source alternative to Duck.ai?

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

Is Duck.ai open source?

Duck.ai is not described as open source on its own site. The listing was checked on Oct 5, 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 Duck.ai: the alternatives its listing names first, then the tools that share the most features with it.