Source-Grounded Q&A
Answers based only on your uploaded materials — every sentence includes traceable citations, eliminating AI hallucinations.
Powered by Gemini 3.5 · Free to use
NotebookLM - Your AI Research Assistant & Smart Note-Taking Tool
Upload PDFs, YouTube, web pages, and audio. Get source-grounded answers with citations, generate AI podcasts, deep research reports, and multimodal outputs — all in one place.
- No credit card required
- Sign in with Google
- 2M token context window
What is NotebookLM?
NotebookLM is Google’s source-grounded AI notebook. Answers stay tied to the PDFs, Docs, slides, URLs, and YouTube sources you add, with citations you can open and check. Use it to study, review literature, and turn source sets into podcasts, reports, and other study outputs.
See how source-grounded AI works ⚡
2M
Token Context
Process entire paper collections
📁
50+
Supported Formats
PDF, YouTube, EPUB, and more
🌐
80+
Podcast Languages
Multilingual AI podcast support
🤖
Gemini 3.5
AI Model
Powered by Google's most capable model
Why NotebookLM?
An AI research assistant built for knowledge workers
Source-Grounded
Every answer is based on your uploaded materials with traceable citations.
AI Podcasts
Turn documents into conversational two-host podcasts with interactive Q&A.
Deep Research
Automatically discover supplementary info and generate cited research reports.
Multimodal Output
Slide decks, infographics, mind maps, quizzes, and flashcards in one click.
Core Features
Everything you need for source-grounded research, learning, and knowledge creation
AI Podcast Generation
Transform documents into conversational podcasts with two AI hosts. Interactive and interruptible — ask questions anytime.
Deep Research
Automatically discover supplementary information and generate comprehensive research reports with full source attribution.
Multimodal Studio
One-click generation of Slide Decks, Infographics (10 styles), mind maps, quizzes, and flashcards.
One-Click PPT Generation
Automatically transform research into professional presentations with export and customization support.
Smart Quizzes & Flashcards
AI-generated adaptive quizzes and flashcards that match your knowledge level to reinforce learning.
NotebookLM vs Generic AI
See why source-grounded research beats general-purpose chatbots
NotebookLM
ChatGPT / Generic AI
Knowledge Source
NotebookLM
Uses only your uploaded documents and links (source-grounded)
ChatGPT / Generic AI
Relies on large-scale pre-training data — cannot guarantee alignment with your materials
Citations & Traceability
NotebookLM
Every answer includes source citations for verification and academic writing
ChatGPT / Generic AI
Generic responses with unstable citations — prone to hallucinations
Use Cases
NotebookLM
Academic research, teaching prep, knowledge management, reports & multimodal output
ChatGPT / Generic AI
General conversation, creative writing, coding assistance, etc.
Exclusive Capabilities
NotebookLM
AI podcasts, deep research, Slide/Infographic/Quiz/Flashcard studio outputs
ChatGPT / Generic AI
Plugins and GPTs, but no RAG tailored to your personal document library
Use Cases
From academia to enterprise — NotebookLM adapts to every knowledge workflow
Academic Research
Import paper PDFs and references for source-grounded Q&A and generate cited deep research reports.
Teaching & Student Review
Consolidate textbooks, lecture notes, and video links — generate quizzes, flashcards, and mind maps.
Workplace Knowledge
Summarize meeting notes, industry reports, and internal docs — quickly extract key points with source tracing.
Content Creation
One-click generation of blog posts, articles, social media content, and podcast scripts from your sources.
Technical Documentation
Upload API docs, READMEs, and architecture specs — ask technical questions and get precise citation locations.
Creative Ideation & Meeting Intelligence
Upload meeting recordings and brainstorming notes — auto-generate summaries, action items, and new product ideas.
What's New in 2025–2026
Continuous innovation powered by Google AI
New
2M Token Context Window
Load more papers, books, and notes in a single session
New
Gemini 3.5 Model Upgrade
Stronger reasoning and multilingual understanding
New
Official Mobile App
Access notebooks and listen to AI podcasts on the go
New
YouTube & EPUB Support
Import video transcripts and e-books directly
New
10 Infographic Styles
More customizable output styles for every scenario
Trusted by Researchers Worldwide
See what users from leading institutions are saying
"NotebookLM completely transformed how I do literature reviews. Every answer comes with citations, giving me confidence in my thesis writing."
"Our team uses NotebookLM for meeting notes and customer interview records — efficiency improved 3x."
"The AI podcast feature lets me 'read' papers during my commute. Fragmented time is finally put to good use."
Latest Articles
NotebookLM tutorials, feature reviews, and deep research case studies
NotebookLM vs Quizlet: Understand Then Drill
NotebookLM (Gemini Notebook) vs Quizlet: grounded study from your Sources versus scheduled flashcard drill—plus a CSV handoff that most guides skip.
· 8 min
Notebooks in AI Mode: Search vs Gemini Notebook
Same Gemini Notebook library, third door: notebooks in AI Mode in Google Search. What syncs, what never does, when to leave Search for Studio.
· 8 min
Gemini Notebook Interactive Learning Overview Guide
Interactive Learning Overview under Reports: turn Sources into one guided study session with Studio quizzes and flashcards. Steps vs the study loop.
· 8 min
Start Using NotebookLM Now
Free AI Research Assistant
Upload your PDFs, documents, and links. Experience source-grounded AI research and AI podcasts. No credit card required — sign in with your Google account.
50 queries/day · 3 AI podcasts/day · completely free