BotTasks / AI to chat with a PDF
Best AI to chat with a PDF
One decision, not a directory. Pricing checked 2026-10-14.
NotebookLM
Chat with your sources and generate audio overviews.
Free tierFree, with higher limits in Google plansResearch
- Go to chatpdf.com and upload your PDF.
- Ask a question; answers link to the page they came from.
- Click the references to verify key answers.
- Ask for a summary of each section, or a list of key figures.
- Upgrade only if you need larger files or more questions per day.
Why ChatPDF
ChatPDF is the quickest way to ask questions of a single PDF, with citations to pages.
When to choose NotebookLM instead
Choose NotebookLM if you want to combine many documents and generate study guides or audio overviews.
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Pricing at a glance
| Tool | Pricing | Free tier |
|---|---|---|
| ChatPDF | Free tier; Plus plan available | Yes |
| NotebookLM | Free, with higher limits in Google plans | Yes |
| Humata | Free (60 pages/mo); Expert from $9.99/mo | Yes |
Pricing changes often; check the official site before buying.
FAQ
What is the best AI to chat with a PDF?
Our pick is ChatPDF: Chat with any PDF. Pricing: Free tier; Plus plan available.
When should I choose NotebookLM instead?
Choose NotebookLM if you want to combine many documents and generate study guides or audio overviews.
Does ChatPDF have a free plan?
Yes. ChatPDF: Free tier; Plus plan available.