kitio.aiPerplexity vs ChatPaper
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Perplexity starts at $20/mo and ChatPaper starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Cited answers
- Deep Research reports
- Model choice
- File uploads
- Spaces
- Daily arXiv paper feed
- AI paper summaries
- Chat across many files
- Cited answers
- Conference venue browsing
- Collections
| Feature | Perplexity | ChatPaper |
|---|---|---|
| Best for | AI answer engine that searches the web and cites its sources | Daily arXiv feeds with AI summaries and chat over your papers |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Perplexity | ChatPaper |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: Cited answers.
Pricing compared
Perplexity starts at $20/mo and ChatPaper starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- Unlimited basic searches
- Limited Pro searches
Pro
$20/mo
- Advanced AI models
- More Pro searches and research
- File uploads
Max
$200/mo
- Highest usage limits
- Early access to new features
Enterprise Pro
$40/mo
- Per seat
- Admin and security controls
- 500 Computer credits/mo
Enterprise Max
$325/mo
- Per seat
- 15,000 Computer credits/mo
- Highest limits
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Perplexity
- Every answer shows sources
- Fast and current
- Choice of top models
- Citations sometimes don't support claims
- Best features need Pro
ChatPaper
- Keeps up with new arXiv uploads daily
- Works across many papers at once
- Answers cite their sources
- Pricing not stated on the site
- Feed focuses on arXiv fields
- Summaries still need checking
Which one should you choose?
Choose Perplexity if you want:
- Every answer shows sources
- Fast and current
- Choice of top models
Watch out: citations sometimes don't support claims.
Choose ChatPaper if you want:
- Keeps up with new arXiv uploads daily
- Works across many papers at once
- Answers cite their sources
Watch out: pricing not stated on the site.
Perplexity vs ChatPaper FAQ
What is the difference between Perplexity and ChatPaper?
Perplexity: AI answer engine that searches the web and cites its sources. ChatPaper: Daily arXiv feeds with AI summaries and chat over your papers. Both are research & search tools.
Is Perplexity or ChatPaper cheaper?
Perplexity starts at $20/mo and ChatPaper starts at See pricing page. Check both pricing pages for current plans.
Do Perplexity and ChatPaper have free plans?
Perplexity: Yes. ChatPaper: Yes.
Who makes Perplexity?
Perplexity is made by Perplexity, based in United States.
Who makes ChatPaper?
ChatPaper is made by ChatPaper.
Which should I choose, Perplexity or ChatPaper?
Choose Perplexity if you value every answer shows sources and fast and current. Choose ChatPaper if you value keeps up with new arxiv uploads daily and works across many papers at once.