Compare other tools Tool ChatPDF NotebookLM Price Pricing information is currently unavailable. From $9.99/month Free plan Free plan Free plan Best for Quickly extracting information from a single PDF Students querying academic papers without reading every page Professionals reviewing contracts or reports Working through large PDFs and research papers Students creating study guides from course materials Generating podcast-style audio summaries of documents Ease of use Usable by beginners Usable by beginners Key features Conversational Q&A grounded in the uploaded PDF Automatic document summary on upload Passage citation in answers Multilingual document support Source-grounded Q&A with passage citations Audio overview generation from uploaded documents Study guide and FAQ creation Support for PDFs, Docs, audio files and web pages as sources Notebook sharing for collaboration Integrations None on record Google Docs, Google Drive, YouTube API Not on record Not on record Skill level Beginner, Intermediate Beginner, Intermediate Platforms Web Web, iOS, Android Main advantages Fast and easy with no account needed on the free tier Answers cite the relevant passage in the document Handles a wide range of PDF types Every answer cites the exact source passage Audio overview turns documents into a conversational discussion Free tier with a generous source limit Main disadvantages Limited to one file at a time on the free tier Not designed for research across multiple documents Limited to content you upload; cannot browse the web independently Higher source and document limits require a Google One subscription Data checked Checked October 4, 2026 Checked October 4, 2026 Try ChatPDF Try NotebookLM
Which one to choose Choose ChatPDF if Quickly extracting information from a single PDF Students querying academic papers without reading every page Professionals reviewing contracts or reports Read review
Choose NotebookLM if Working through large PDFs and research papers Students creating study guides from course materials Generating podcast-style audio summaries of documents Anyone who wants answers tied to specific source passages Read review
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