NotebookLM

Free Plan

GoogleProductivity

4.6(1,350)

Google's AI research assistant. Upload documents to get Q&A, summaries, and podcast-style audio.

NotebookLM Overview

NotebookLM is an AI-based research and writing assistant developed by Google. Upload PDFs, Google Docs, YouTube videos, websites, and other sources to get accurate answers based solely on that content. The Audio Overview feature automatically generates vivid audio like a real podcast based on your uploaded documents.

Key Features

Document-based Q&A

AI summarization

Audio Overview podcast

Source citations

Mind mapping

Multiple source types

Sharing features

Completely free

Specifications

PriceFree

Free Plan

API Support

Web Search

File Upload

Image Generation

Voice Support

Coding Support

Mobile App

Context WindowVaries by source

Recommended ForStudents, researchers, document analysis

Release Date2023-07-12

CompanyGoogle

FAQ

What source types can I upload to NotebookLM?+

PDF files, Google Docs, Google Slides, YouTube URLs, website URLs, and plain text. Each notebook supports up to 50 sources, 500,000 words per source. Answers are grounded exclusively in what you've uploaded.

How do I use the Audio Overview (podcast) feature?+

After uploading sources, click 'Audio Overview'. Two AI hosts generate a podcast-style discussion of your material — great for digesting long research papers while commuting or exercising.

Is NotebookLM free?+

Yes, NotebookLM is free at notebooklm.google.com with just a Google account. A paid NotebookLM Plus tier adds more notebooks, sources, and audio generations for power users.