kitio.aiReadCube vs ChatPaper
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. ReadCube starts at $10/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
- AI answers with cited passages
- Chat with up to 20 papers
- PDF annotation
- SmartCite citations
- Literature monitoring alerts
- Dimensions paper index
- Daily arXiv paper feed
- AI paper summaries
- Chat across many files
- Cited answers
- Conference venue browsing
- Collections
| Feature | ReadCube | ChatPaper |
|---|---|---|
| Best for | Reference manager with an AI assistant for papers and patents | Daily arXiv feeds with AI summaries and chat over your papers |
| Category | Research & search | Research & search |
| Pricing model | Free trial | Freemium |
| Starting price | $10/mo | See pricing page |
| Free plan | No, trial available | Yes |
| Made by | Digital Science | ChatPaper |
| Based in | United Kingdom | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
ReadCube starts at $10/mo and ChatPaper starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Essentials
$10/mo
- Per user
- Literature management
- Basic AI chat with PDF
Plus
$20/mo
- Per user
- Extended chat with PDFs
- Chat with up to 20 articles
Enterprise
Contact sales
- Onboarding and training
- Library curation services
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
ReadCube
- Every AI answer links to its source
- Flags AI permissions per paper
- Discount for academics
- Daily limits on AI chat
- Library chat needs the Plus plan
- Priced per user
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 ReadCube if you want:
- Every AI answer links to its source
- Flags AI permissions per paper
- Discount for academics
Watch out: daily limits on ai chat.
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.
ReadCube vs ChatPaper FAQ
What is the difference between ReadCube and ChatPaper?
ReadCube: Reference manager with an AI assistant for papers and patents. ChatPaper: Daily arXiv feeds with AI summaries and chat over your papers. Both are research & search tools.
Is ReadCube or ChatPaper cheaper?
ReadCube starts at $10/mo and ChatPaper starts at See pricing page. Check both pricing pages for current plans.
Do ReadCube and ChatPaper have free plans?
ReadCube: No, trial available. ChatPaper: Yes.
Who makes ReadCube?
ReadCube is made by Digital Science, based in United Kingdom.
Who makes ChatPaper?
ChatPaper is made by ChatPaper.
Which should I choose, ReadCube or ChatPaper?
Choose ReadCube if you value every ai answer links to its source and flags ai permissions per paper. Choose ChatPaper if you value keeps up with new arxiv uploads daily and works across many papers at once.