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Duck.ai alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Duck.ai: curated model list, not every model, and no memory, connectors or agent tools. We ranked 5 alternatives by how directly each one replaces Duck.ai, then by reviews, real visits and how recently each app's facts were checked against its own website. Lumo currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1HuggingChat logoHuggingChatFreeYesWeb, Self-hosted4 of 455.3
  1. HuggingChat logo

    1. HuggingChatTop pick

    Best for: People curious about open-source models who want to try them free in a browser

    FreeOpen sourceSelf-hostableWeb, Self-hosted

    55.3

    score / 100

    Why switch from Duck.ai

    Free access to a much wider choice of open models.

    Pros

    • Free access to many open models
    • Omni mode picks a model for you
    • Underlying Chat UI is open source and self-hostable

    Cons

    • Fewer polished features than commercial assistants
    • Long model list can overwhelm newcomers
    • Speed depends on Hugging Face's shared capacity
    Visit HuggingChat Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is HuggingChat a good Duck.ai alternative?

    Verified facts

    4 of 4 verified
    Models
    Open-source models
    Checked Oct 25, 2026huggingface.co(opens source in a new tab)
    Model routing
    Omni picks a model per request
    Checked Oct 25, 2026huggingface.co(opens source in a new tab)
    Open source
    Chat UI
    Checked Oct 25, 2026huggingface.co(opens source in a new tab)
    Self-hosting
    Yes, any OpenAI-compatible endpoint
    Checked Oct 25, 2026huggingface.co(opens source in a new tab)

The best Duck.ai alternative for…

The highest-ranked app in this list for each need.

Lumo logo

Best Duck.ai alternative for most people

Lumo

Encrypted chat history with an account, from privacy company Proton.

Jan logo

Best Duck.ai alternative for a free option

Jan

Fully offline: run models on your own computer so nothing leaves it.

Venice logo

Best Duck.ai alternative for a free plan you can upgrade

Venice

Private chat that stores history only in your browser, with more models.

HuggingChat logo

Best Duck.ai alternative for open source

HuggingChat

Free access to a much wider choice of open models.

HuggingChat logo

Best Duck.ai alternative for self-hosting

HuggingChat

Free access to a much wider choice of open models.

ChatGPT logo

Best Duck.ai alternative for Mac

ChatGPT

Much more capable assistant, if you accept an account and stored chats.

Jan logo

Best Duck.ai alternative for Windows

Jan

Fully offline: run models on your own computer so nothing leaves it.

Jan logo

Best Duck.ai alternative for Linux

Jan

Fully offline: run models on your own computer so nothing leaves it.

Lumo logo

Best Duck.ai alternative for iPhone and Android

Lumo

Encrypted chat history with an account, from privacy company Proton.

Lumo logo

Best Duck.ai alternative for working in the browser

Lumo

Encrypted chat history with an account, from privacy company Proton.

Duck.ai alternatives: common questions

What is the best alternative to Duck.ai?

Lumo ranks first right now. Encrypted chat history with an account, from privacy company Proton. Venice and Jan follow it in our ranking.

Is there a free alternative to Duck.ai?

Yes. Lumo (free plan + paid), Venice (free plan + paid), Jan (open source) and ChatGPT (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

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

Yes: Jan and HuggingChat. HuggingChat can also be self-hosted.

Which Duck.ai alternatives work on Linux?

Jan runs on Linux.

Why do people switch from Duck.ai?

The complaints we hear most: curated model list, not every model; no memory, connectors or agent tools; better models need a paid DuckDuckGo subscription.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Duck.ai, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.