BotSherpa

Tasks / AI to chat with a PDF

Best AI to chat with a PDF

One decision, not a directory. Pricing checked 2026-10-14.

Best pick

ChatPDF

Chat with any PDF.

Free tierFree tier; Plus plan availableResearch

Alternative

NotebookLM

Chat with your sources and generate audio overviews.

Free tierFree, with higher limits in Google plansResearch

How to set it up with ChatPDF
  1. Go to chatpdf.com and upload your PDF.
  2. Ask a question; answers link to the page they came from.
  3. Click the references to verify key answers.
  4. Ask for a summary of each section, or a list of key figures.
  5. Upgrade only if you need larger files or more questions per day.

Open ChatPDF →

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.

Pricing at a glance

ToolPricingFree tier
ChatPDFFree tier; Plus plan availableYes
NotebookLMFree, with higher limits in Google plansYes
HumataFree (60 pages/mo); Expert from $9.99/moYes

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.

Try another task