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Duck.ai vs Perplexity

Features, pricing, ratings, and pros and cons, side by side.

Verdict

Duck.ai and Perplexity are both AI Assistants tools. Perplexity scores higher in FinderAtlas's editorial review (8.7 vs 7.8 out of 10). Both have a free plan or trial. Only Perplexity is available on iOS and Android and offers an API.

Best overall

Perplexity

  • Researchers
  • Students
  • Analysts
  • Journalists

Choose Duck.ai if

  • You want a tool built for everyday questions and drafting where you do not want chats tied to an account or used for training, and trying several models in one place.
  • Free tier works without an account.
  • Personal metadata such as IP address is removed before prompts reach providers.

Choose Perplexity if

  • You want a tool built for answering factual and current-events questions with checkable sources, and running multi-step web research.
  • Every answer links to numbered sources, so claims are easy to check.
  • Free plan includes search with citations.
Best for beginners
Perplexity
Best for business
Perplexity

Features

17 features compared.

  • Multi-model chat
    Duck.ai
    Available
    Perplexity
    Not available
  • No account required
    Duck.ai
    Available
    Perplexity
    Not available
  • Metadata removal
    Duck.ai
    Available
    Perplexity
    Not available
  • No training on chats
    Duck.ai
    Available
    Perplexity
    Not available
  • Local recent chats
    Duck.ai
    Available
    Perplexity
    Not available
  • Voice chat
    Duck.ai
    Available
    Perplexity
    Not available
  • Image generation
    Duck.ai
    Available
    Perplexity
    Not available
  • File and image upload
    Duck.ai
    Available
    Perplexity
    Not available
  • Subscription bundle
    Duck.ai
    Available
    Perplexity
    Not available
  • Cited answers
    Duck.ai
    Not available
    Perplexity
    Available
  • Pro Search
    Duck.ai
    Not available
    Perplexity
    Available
  • Research
    Duck.ai
    Not available
    Perplexity
    Available
  • Model selection
    Duck.ai
    Not available
    Perplexity
    Available
  • File uploads
    Duck.ai
    Not available
    Perplexity
    Available
  • Perplexity Computer
    Duck.ai
    Not available
    Perplexity
    Available
  • Comet browser
    Duck.ai
    Not available
    Perplexity
    Available
  • Perplexity API
    Duck.ai
    Not available
    Perplexity
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Duck.ai
    Freemium
    Perplexity
    Freemium
  • Free plan
    Duck.ai
    Yes
    Perplexity
    Yes
  • Starting price
    Duck.ai
    $0
    Perplexity
    $0
  • Plans
    Duck.ai
    3 plans
    Perplexity
    5 plans

Duck.ai plans

  • Free

    $0

    No-account access to smaller models within daily limits

    • Text chat
    • Voice chat
    • Image generation
    • Daily usage limits

  • Plus

    Most popular

    $9.99/month

    DuckDuckGo subscription with advanced models and privacy bundle

    • Advanced models
    • Reasoning models
    • VPN
    • Personal Information Removal
    • Identity Theft Restoration

  • Pro

    $19.99/month

    Highest reasoning models and doubled usage

    • Everything in Plus
    • Claude Opus access
    • Highest reasoning effort
    • 2x Plus usage limits

Perplexity plans

  • Free

    $0

    Basic search with citations and limited daily usage.

    • Search with citations
    • 3 Pro Searches per day
    • 1 Research query per month
    • Limited file uploads

  • Pro

    Most popular

    $20/month

    Higher limits, advanced models and Perplexity Computer for individuals.

    • Extended Pro Search
    • Extended Research
    • Advanced AI models
    • Image generation
    • Create files and apps
    • Comet Assistant
    • Weekly Computer usage

  • Max

    $200/month

    Highest consumer limits, with monthly credits and priority support.

    • Everything in Pro
    • 10,000 monthly credits
    • Highest Comet Assistant limits
    • Brain (research preview)
    • Extended Create files and apps
    • Priority support

  • Enterprise Pro

    $40/user/mo

    Team plan with admin controls and organizational features.

    • 400 Pro Searches per week
    • 50 Research queries per month
    • 80 Comet Assistant queries per month
    • 500 monthly credits
    • File uploads and sharing

  • Enterprise Max

    $325/user/mo

    Highest enterprise limits with SCIM, audit logs and priority support.

    • 4,000 Pro Searches per week
    • 500 Research queries per month
    • 15,000 monthly credits
    • 15 videos per month
    • SCIM and audit logs
    • Priority support

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.

Duck.ai
7.8overall
Perplexity
8.7overall

  • Ease of Use

    Duck.ai
    9.0
    Perplexity
    Not rated

  • Feature Depth

    Duck.ai
    7.0
    Perplexity
    Not rated

  • Value for Money

    Duck.ai
    8.0
    Perplexity
    Not rated

  • Performance & Speed

    Duck.ai
    7.5
    Perplexity
    Not rated

  • Documentation & Support

    Duck.ai
    7.5
    Perplexity
    Not rated

  • Live Web Search & Citations

    Duck.ai
    Not rated
    Perplexity
    9.2

  • Real-time Factuality & News

    Duck.ai
    Not rated
    Perplexity
    8.6

  • Source Transparency

    Duck.ai
    Not rated
    Perplexity
    9.0

  • Document & Research Analysis

    Duck.ai
    Not rated
    Perplexity
    8.3

  • Search Speed & Responsiveness

    Duck.ai
    Not rated
    Perplexity
    8.5

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Duck.ai

Pros

  • Free tier works without an account.
  • Personal metadata such as IP address is removed before prompts reach providers.
  • Chats are not used for training by DuckDuckGo, and providers agree not to train on them.
  • Several providers' models are available from one interface.
  • Plus ($9.99/month) bundles a VPN and identity protection services.

Cons

  • Free tier is limited by daily usage caps, and the paid limits are not published as numbers.
  • Strongest models are subscriber-only, and the top tier costs $19.99/month.
  • No public API and no standalone mobile app found.
  • Chat history is local by default, so it does not sync across devices without opting into Sync & Backup.

Perplexity

Pros

  • Every answer links to numbered sources, so claims are easy to check
  • Free plan includes search with citations
  • Paid plans offer a choice of advanced models from several providers
  • Available on web, iOS, Android and through a developer API
  • Separate Comet browser integrates the assistant into browsing

Cons

  • Free plan is limited to 3 Pro Searches per day and 1 Research query per month
  • Pro and Max limits are described as weekly or monthly allowances rather than fixed numbers
  • Max costs $200 per month, and Enterprise Max costs $325
  • Answers can still contain errors, so the cited sources need checking

Platforms

  • Web
    Duck.ai
    Supported
    Perplexity
    Supported
  • Windows
    Duck.ai
    Not supported
    Perplexity
    Not supported
  • macOS
    Duck.ai
    Not supported
    Perplexity
    Not supported
  • iOS
    Duck.ai
    Not supported
    Perplexity
    Supported
  • Android
    Duck.ai
    Not supported
    Perplexity
    Supported
  • API
    Duck.ai
    Not supported
    Perplexity
    Supported
  • Browser Extension
    Duck.ai
    Not supported
    Perplexity
    Not supported

Integrations

Duck.ai

2 integrations
  • DuckDuckGo Search
  • DuckDuckGo Browser

Perplexity

No integrations listed.

Company

  • Company
    Duck.ai
    DuckDuckGo
    Perplexity
    Perplexity AI, Inc.
  • Founded
    Duck.ai
    2008
    Perplexity
    2022
  • Headquarters
    Duck.ai
    Paoli, PA
    Perplexity
    San Francisco, CA
  • Listing
    Duck.ai
    Claimed
    Perplexity
    Claimed

Frequently asked questions

Is Duck.ai better than Perplexity?

It depends on your workflow. Duck.ai is built for everyday questions and drafting where you do not want chats tied to an account or used for training, and trying several models in one place. Perplexity is built for answering factual and current-events questions with checkable sources, and running multi-step web research.

What are the key feature differences between Duck.ai and Perplexity?

Duck.ai: Chat with ChatGPT, Claude and other AI models without handing over your data. Perplexity: AI answer engine that searches the live web and cites its sources.

Does Duck.ai or Perplexity have a free plan?

Yes, both do. Duck.ai is freemium and Perplexity is freemium, and each has a free plan or trial.

Which is cheaper, Duck.ai or Perplexity?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.