AI tool that generates presentations, documents and websites from a prompt.
ChatPDF vs PDF.ai
Features, pricing, strengths and trade-offs — and which one fits your situation.
The verdict
Summary
ChatPDF is best for quickly asking questions about PDFs and other documents, while PDF.ai is best for chatting with PDFs and extracting structured data through an app or API. Both ChatPDF and PDF.ai offer a free plan, so you can try each before paying.
Which should you choose?
Choose ChatPDF if…
- You need quickly asking questions about PDFs and other documents
- You're one of: students, researchers, analysts reviewing reports
- Very simple: upload and start asking questions
Choose PDF.ai if…
- You need chatting with PDFs and extracting structured data through an app or API
- You're one of: developers building document workflows, finance and operations teams, researchers and students
- Combines end-user chat with a developer API
At a glance
| ChatPDF | PDF.ai | |
|---|---|---|
| Best for | Quickly asking questions about PDFs and other documents | Chatting with PDFs and extracting structured data through an app or API |
| Free plan | Yes | Yes |
| Starting price | From $19.99/mo | From $17/mo |
| Learning curve | Low | Low |
| Platforms | Web, iOS, Android, API | Web, Chrome extension, API |
| Ideal for | Students, Researchers, Analysts reviewing reports, Professionals reading contracts or manuals | Developers building document workflows, Finance and operations teams, Researchers and students, Small businesses publishing document chatbots |
Feature comparison
| ChatPDF | PDF.ai | |
|---|---|---|
| Generate deck from prompt | Limited | No |
| PowerPoint export | — | No |
| Google Slides support | No | No |
| PDF export | — | — |
| Brand kit / themes | No | No |
| Real-time collaboration | No | Limited |
| Viewer analytics | No | No |
| Chat with documents | Yes | Yes |
IncludedLimited / higher plansNot available— Not confirmed
Security & enterprise
| ChatPDF | PDF.ai | |
|---|---|---|
| Business / enterprise plan | No | Yes |
| SSO (SAML / OIDC) | — | — |
| SCIM user provisioning | — | — |
| SOC 2 | — | — |
| ISO 27001 | — | — |
| HIPAA (BAA available) | — | — |
| GDPR DPA | — | — |
| Data residency options | — | — |
| No training on your data | — | — |
| Audit logs | — | — |
| Admin controls | — | — |
| Deployment | — | Cloud, API |
From each vendor's security documentation. "—" = not confirmed. What to ask vendors · Compare all tools
What each tool does
ChatPDF
ChatPDF lets you upload a PDF, Word, PowerPoint or text file and ask questions about it in a chat interface, with answers that point to the relevant pages. Folders allow chatting across multiple files at once. It has added study and writing tools such as flashcards, slide generation and an AI writer, plus mobile apps and a developer API.
Key features- Chat with PDFs and cite source pages
- Supports PDF, Word, PowerPoint, Markdown and text files
- Folders for chatting across multiple documents
- Flashcards and slide generation from documents
- YouTube video chat
- Developer API
PDF.ai
PDF.ai lets you upload PDFs and ask questions about them, with answers linked to the source text. Beyond chat, it offers a developer API for parsing, extracting and splitting documents, structured data extraction for forms and invoices, an embeddable document chatbot and a Chrome extension for chatting with PDFs in the browser.
Key features- Chat with PDFs with source citations
- Multi-document conversations
- Structured data extraction from invoices and forms
- Developer API for parse, extract and split
- Embeddable chatbot trained on your documents
- Chrome extension for PDFs in the browser
Pricing
ChatPDF
Free plan: yes (limited). Paid from ~$19.99/mo (Plus)
PDF.ai
Free Hobby plan; Pro from ~$17/mo
Prices last checked September 2026. Plans change often — confirm on each vendor's site.
Pros and cons
ChatPDF
Strengths- Very simple: upload and start asking questions
- Free plan available for light use
- Multi-file folders for comparing documents
- Low-cost paid plans
- Free plan limits daily document uploads and questions
- Page and file-size limits on large documents
- Not a presentation editor; slide output is basic
- No real-time team collaboration
Not ideal for: Anyone who needs to design and present polished slide decks should use a dedicated presentation tool.
PDF.ai
Strengths- Combines end-user chat with a developer API
- Table and key-value extraction for business documents
- Embeddable chatbot for websites
- SOC 2 Type II certification
- Free plan is limited in documents and questions
- Not a presentation or slide creation tool
- Advanced team features require higher tiers
- Accuracy on scanned or complex layouts depends on document quality
Not ideal for: Anyone looking to build slide decks or design documents should choose a presentation tool instead.
FAQ
What is the main difference between ChatPDF and PDF.ai?
ChatPDF is built for quickly asking questions about PDFs and other documents; PDF.ai is built for chatting with PDFs and extracting structured data through an app or API.
Is ChatPDF or PDF.ai cheaper?
ChatPDF starts from $19.99/mo and PDF.ai starts from $17/mo (as of September 2026). On entry price, PDF.ai is cheaper — but compare what each plan includes, since limits differ. Always confirm current pricing on each vendor's site.
Do ChatPDF and PDF.ai have free plans?
Both ChatPDF and PDF.ai offer a free plan, so you can try each before paying.
Which is easier to use, ChatPDF or PDF.ai?
Both have a low learning curve.
What are good alternatives to ChatPDF and PDF.ai?
Other presentations tools worth comparing include Gamma, Beautiful.ai and Pitch.
