Source-Grounded AI
NotebookLM's AI output is strictly based on your uploaded documents. Every answer includes citation links for traceable, verifiable information—effectively reducing AI hallucinations.
Google AI Research Assistant
NotebookLM: AI Research Assistant & Smart Note-Taking Tool
Powered by source-grounded AI, every NotebookLM answer is strictly based on your uploaded documents, with verifiable citation links—making it the most reliable AI note-taking tool for researchers, students, and knowledge workers.
What is NotebookLM?
NotebookLM is an AI note-taking tool built on source-grounded technology. Unlike general-purpose AI chatbots, its answers are strictly based on the documents you upload, with verifiable citation links attached to every response—ensuring traceability and reliability.
NotebookLM launched in 2023 as the Project Tailwind prototype. By 2026, it has attracted millions of users and become one of the most popular Google AI note-taking tools for academic research, enterprise knowledge management, and personal learning.
Learn how source-grounded AI works →Core NotebookLM Features
From source-grounded AI to Gemini 3.5, from document analysis to cloud code execution—NotebookLM delivers end-to-end AI research and note-taking capabilities.
Multi-Format Source Support
NotebookLM supports PDF, Google Docs, Google Slides, web URLs, YouTube transcripts, plain text, and more—flexibly build your knowledge base.
Powered by Gemini 3.5
NotebookLM upgraded to Gemini 3.5 in June 2026 for more accurate, reliable answers, more transparent reasoning, and a 69.9% win rate on large document analysis.
Cloud Code Execution (Antigravity)
NotebookLM equips each notebook with a secure cloud computer for writing and running code, with 100+ built-in software skills for deep data analysis.
Diverse Output Formats
NotebookLM lets you one-click export to PDF, Word, Excel, PowerPoint reports, data visualizations (PNG/SVG), structured data (CSV/JSON), and more.
Audio Overviews & Podcast-Style Summaries
NotebookLM turns documents into two-host AI podcast-style conversations with interactive mode—ideal for auditory learners and commutes.
Smart Source Discovery
Start research from a vague idea or question. NotebookLM recommends high-quality sources via Google Search and automatically builds your source library.
Real-Time Collaboration & Sharing
NotebookLM supports sharing notebooks with multiple people, setting view or edit permissions, and keeping team content in sync—building a shared team knowledge base.
Use Cases & Audiences
Whether you are a student, researcher, or enterprise team, NotebookLM brings AI power to your knowledge work.
Students & Educators
NotebookLM supports course study, literature review, and exam prep—auto-generate study guides and quizzes to boost learning efficiency.
Learn more →Researchers & Scholars
NotebookLM helps with literature reviews, data synthesis, paper organization, and research notes—accelerate your research workflow.
Learn more →Enterprise Teams & Knowledge Workers
NotebookLM powers project document analysis, meeting notes, technical spec interpretation, and knowledge base building—improve team collaboration.
Learn more →Content Creators & Writers
NotebookLM enables multi-source synthesis, outline generation, fact-checking, and citation tracing—keep content accurate and reliable.
Learn more →June 8, 2026 · Largest Upgrade Ever
NotebookLM Gemini 3.5 Major Upgrade
NotebookLM now integrates Gemini 3.5 and the Antigravity coding platform: each notebook gets a secure cloud computer with 100+ built-in software skills, and output formats expand to PDF, Excel, PowerPoint, and more.
Read Upgrade Details65%+
NotebookLM average win rate (5 dimensions)
69.9%
NotebookLM large document analysis win rate
78.2%
NotebookLM advanced web research win rate
100+
NotebookLM built-in software skills
Free & Paid Plans
NotebookLM offers a free tier for everyday needs; AI Ultra unlocks advanced features.
Free
Free
Available to any Google account holder
- Up to 100 notebooks
- 50 sources per notebook
- 50 chat queries per day
- 3 audio overviews per day
AI Ultra Subscription
Subscription
Expanded capacity and advanced features
- Latest Gemini 3.5 model
- Antigravity cloud code execution
- Advanced output formats (Excel/PPT, etc.)
- Higher capacity and quotas
Get Started in Four Steps
Follow this flow to start using NotebookLM in minutes.
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Sign In
Visit notebooklm.google.com and sign in with your Google account
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Create a Notebook
Create a new notebook and upload PDFs or paste web links
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Ask & Generate
Ask the AI questions or generate study guides, audio overviews, and research reports
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Export & Share
Export to PDF/Excel/PPT and more, or share and collaborate with your team
Ready to Try NotebookLM?
Join millions of users and use Google’s most reliable source-grounded AI research assistant to make document analysis, learning, and research more efficient.