Detailed comparison across 10 dimensions
Winner: Chatpdf
ChatPDF clearly comes out ahead of NotebookLM on Staquest's weighted six-dimension score. Both offer a free tier. Paid plans start at $14/mo for NotebookLM and $19.99/mo for ChatPDF.
| Overview | ||
|---|---|---|
| Type | ai tool | ai tool |
| Company | ChatPDF | |
| Free Tier | ||
| Has API | ||
| Open Source | ||
| Learning Curve | - | - |
| Integration | - | - |
| Trending | Stable | Stable |
| GitHub Stars | - | - |
| Industries | Data & AnalyticsAI & Machine Learning | DevelopmentMarketing |
| Categories | ai-researchai-productivityai-chatbot | ai-researchai-chatbot |
| Website | Visit | Visit |
Chatpdf
freemium
per user
per user
per user
per user
per user
freemium
| Feature | notebooklm | chatpdf |
|---|---|---|
| 2X More Generations Vs Standard Plan | ||
| 10 Mb File Size Limit | ||
| 50X More Generations Vs Standard Plan | ||
| 120 Pages Per Pdf | ||
| 5X More Generations Vs Standard Plan | ||
| 2 Pdfs Per Day | ||
| Access To Google'S Gemini Models | ||
| 2,000 Pages Per Pdf | ||
| Customizable Response Styles (Tone And Length) | ||
| 32 Mb File Size Limit | ||
| Deep Research | ||
| 50 Questions Per Day | ||
| Early Access To New Features | ||
| Multi-Document Folders | ||
| Enterprise-Grade Security And Data Privacy | ||
| Unlimited Pdfs | ||
| Everything In Free | ||
| Unlimited Questions | ||
| Everything In Plus | ||
| Everything In Pro | ||
| Higher Access To Gemini Models | ||
| Highest Access To Gemini Models | ||
| Included With Google Ai Ultra | ||
| Included With Google One Ai Premium / Google Ai Pro | ||
| Included With Google Workspace Standard And Higher | ||
| No Watermarks On Slide Decks And Infographics | ||
| Priority Access To New Features | ||
| Shared Organizational Notebooks | ||
| Slide Decks And Infographics (With Watermarks) | ||
| Standard Generations Of Audio & Video Overviews |
Showing 30 of 30 features
Dashes mean the feature isn't listed in our data. The tool may still support it.
On Staquest's weighted six-dimension scoring, ChatPDF comes out ahead overall, though NotebookLM can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.
NotebookLM's paid plans start at $14/mo and ChatPDF's start at $19.99/mo, so NotebookLM is the lower entry price. Check the pricing comparison for higher tiers and per-seat costs.
Both NotebookLM and ChatPDF offer a free tier.
ChatPDF exposes a public API. The feature comparison and dimension scores above cover the full breakdown.