# Duck.ai vs 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

- Duck.ai profile: https://finderatlas.com/tools/duck-ai
- Perplexity profile: https://finderatlas.com/tools/perplexity
- Comparison page: https://finderatlas.com/compare/duck-ai-vs-perplexity
- Last reviewed: October 2026

## 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.

### 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.

## Pricing

| | Duck.ai | Perplexity |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

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

## Platforms

| Platform | Duck.ai | Perplexity |
| --- | --- | --- |
| Web | Yes | Yes |
| Windows | No | No |
| macOS | No | No |
| iOS | No | Yes |
| Android | No | Yes |
| API | No | Yes |
| Browser Extension | No | No |

## Duck.ai strengths

- 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.

## Duck.ai limitations

- 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 strengths

- 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

## Perplexity limitations

- 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

## FAQ

**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.