kitio.aiChatPDF vs Article Summarizer
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Article Summarizer is completely free, while ChatPDF is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Chat with PDFs
- Page citations
- Multi-file folders
- Multilingual support
- API access
- Paragraph, list and quote views
- URL summarisation
- Follow-up chat
- 80+ languages
- 30 MB file uploads
| Feature | ChatPDF | Article Summarizer |
|---|---|---|
| Best for | Upload a PDF and ask questions about it in a chat | Free summaries of articles and papers as paragraphs, points or quotes |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | ChatPDF | Article Summarizer |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Article Summarizer is completely free, while ChatPDF is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
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
ChatPDF
- Very simple to use
- Cites page numbers
- Free tier to start
- Free plan limits pages and questions
- Struggles with complex tables
Article Summarizer
- Three summary formats
- Quotes help verify the summary
- No account needed
- No saved history
- Little detail on the AI model used
- Summaries may miss nuance in long papers
Which one should you choose?
Choose ChatPDF if you want:
- Very simple to use
- Cites page numbers
- Free tier to start
Watch out: free plan limits pages and questions.
Choose Article Summarizer if you want:
- Three summary formats
- Quotes help verify the summary
- No account needed
Watch out: no saved history.
ChatPDF vs Article Summarizer FAQ
What is the difference between ChatPDF and Article Summarizer?
ChatPDF: Upload a PDF and ask questions about it in a chat. Article Summarizer: Free summaries of articles and papers as paragraphs, points or quotes. Both are productivity tools.
Is ChatPDF or Article Summarizer cheaper?
Article Summarizer is completely free, while ChatPDF is freemium.
Do ChatPDF and Article Summarizer have free plans?
ChatPDF: Yes. Article Summarizer: Yes, fully free.
Who makes ChatPDF?
ChatPDF is made by ChatPDF.
Who makes Article Summarizer?
Article Summarizer is made by Article Summarizer.
Which should I choose, ChatPDF or Article Summarizer?
Choose ChatPDF if you value very simple to use and cites page numbers. Choose Article Summarizer if you value three summary formats and quotes help verify the summary.