kitio.aiChatPDF vs DeepPDF
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. ChatPDF starts at See pricing page and DeepPDF starts at See pricing page. Check both pricing pages for current plans.
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
- Chat with PDF
- Bilingual side-by-side translation
- PDF summaries
- Formula and image explanations
- PDF format converters
- PDF to video
| Feature | ChatPDF | DeepPDF |
|---|---|---|
| Best for | Upload a PDF and ask questions about it in a chat | Chat with PDFs, summarize them and translate them side by side |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | ChatPDF | DeepPDF |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
ChatPDF starts at See pricing page and DeepPDF 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
- 10 PDFs
- 5 MB per PDF
- Limited AI use
Pro
Free during beta
- 200 PDFs
- 50 MB per PDF
- Unlimited AI use
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
DeepPDF
- Side-by-side translation in 100+ languages
- Explains formulas and figures in papers
- Pro tier currently free during beta
- Free plan limited to 10 PDFs of 5 MB
- Long-term pricing is not yet published
- Converter tools feel like a separate add-on
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 DeepPDF if you want:
- Side-by-side translation in 100+ languages
- Explains formulas and figures in papers
- Pro tier currently free during beta
Watch out: free plan limited to 10 pdfs of 5 mb.
ChatPDF vs DeepPDF FAQ
What is the difference between ChatPDF and DeepPDF?
ChatPDF: Upload a PDF and ask questions about it in a chat. DeepPDF: Chat with PDFs, summarize them and translate them side by side. Both are productivity tools.
Is ChatPDF or DeepPDF cheaper?
ChatPDF starts at See pricing page and DeepPDF starts at See pricing page. Check both pricing pages for current plans.
Do ChatPDF and DeepPDF have free plans?
ChatPDF: Yes. DeepPDF: Yes.
Who makes ChatPDF?
ChatPDF is made by ChatPDF.
Who makes DeepPDF?
DeepPDF is made by DeepPDF.
Which should I choose, ChatPDF or DeepPDF?
Choose ChatPDF if you value very simple to use and cites page numbers. Choose DeepPDF if you value side-by-side translation in 100+ languages and explains formulas and figures in papers.