kitio.aiSummarizePaper vs ChatPaper
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. SummarizePaper starts at See pricing page 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 paper summaries
- Chat with papers
- Daily digest
- Citation alerts
- Bibliography check
- Zotero and Obsidian integrations
- Daily arXiv paper feed
- AI paper summaries
- Chat across many files
- Cited answers
- Conference venue browsing
- Collections
| Feature | SummarizePaper | ChatPaper |
|---|---|---|
| Best for | AI summaries, chat and digests for scientific papers | Daily arXiv feeds with AI summaries and chat over your papers |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | SummarizePaper | ChatPaper |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Both offer: AI paper summaries.
Pricing compared
SummarizePaper starts at See pricing page and ChatPaper starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- AI summaries
- Chat with papers
- Daily digest
- Daily limits apply
Premium
€7/mo
- Citation alerts
- Bibliography check
- Scoop watch
- Zotero and Notion links
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
SummarizePaper
- Free summaries and digest
- Understands DOI and arXiv IDs
- Reference checking before submission
- Daily limits on the free tier
- Best tools need Premium
- Premium priced in euros
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 SummarizePaper if you want:
- Free summaries and digest
- Understands DOI and arXiv IDs
- Reference checking before submission
Watch out: daily limits on the free tier.
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.
SummarizePaper vs ChatPaper FAQ
What is the difference between SummarizePaper and ChatPaper?
SummarizePaper: AI summaries, chat and digests for scientific papers. ChatPaper: Daily arXiv feeds with AI summaries and chat over your papers. Both are research & search tools.
Is SummarizePaper or ChatPaper cheaper?
SummarizePaper starts at See pricing page and ChatPaper starts at See pricing page. Check both pricing pages for current plans.
Do SummarizePaper and ChatPaper have free plans?
SummarizePaper: Yes. ChatPaper: Yes.
Who makes SummarizePaper?
SummarizePaper is made by SummarizePaper.
Who makes ChatPaper?
ChatPaper is made by ChatPaper.
Which should I choose, SummarizePaper or ChatPaper?
Choose SummarizePaper if you value free summaries and digest and understands doi and arxiv ids. Choose ChatPaper if you value keeps up with new arxiv uploads daily and works across many papers at once.