NotebookLM guide: Google's AI research notebook

NotebookLM is the most underrated AI tool I know. It's free, it's from Google, and it does something genuinely different from ChatGPT: you give it your own documents, and it becomes an expert in just those documents. No making things up. No browsing the wider web. Just deep understanding of what you uploaded.

What makes NotebookLM different

Other AI tools (ChatGPT, Claude, Gemini) are trained on the entire internet. They know a lot but can make things up. NotebookLM is grounded only in the documents you upload. This means:

• It won't make up information. If something isn't in your sources, it says so.
• Every answer cites specifically where it came from.
• You can verify any claim in one click.
• Trained on your sources, so it knows specifics no other AI can.

This makes it the right AI for serious research, document review, and learning from a specific set of materials.

Step 1: Sign up

1. Go to notebooklm.google.com.
2. Sign in with your Google account (Gmail).
3. Accept the terms.
4. You see an empty workspace.

Step 2: Create your first notebook

1. Click New notebook (or the + button).
2. You see options to add sources. You can add up to 50 in one notebook (free tier).
3. Choose the source type:
   • Google Drive (Docs, Slides)
   • PDF (upload from your computer)
   • Website (paste a URL)
   • YouTube (paste a video URL; NotebookLM uses the transcript)
   • Pasted text
   • Audio file
4. Add 2-3 sources to start.
5. Wait 10-30 seconds while NotebookLM reads each source.

Step 3: Ask questions

The chat box at the bottom is where you ask. Examples:

• "Summarize each source in one paragraph."
• "What are the 5 most important points across all these documents?"
• "Compare what source 1 and source 3 say about [topic]."
• "Find every place these documents mention [term]."
• "What is the timeline of events described here?"
• "Generate a quiz to test my understanding of these materials."

Every answer has numbered citations. Click a number to jump to the exact spot in the source.

Step 4: Generate an audio overview

This is the feature that makes NotebookLM famous.

1. In the right panel, find Audio Overview.
2. Click Generate.
3. Wait 3-5 minutes.
4. Press play.

Two AI voices have a 10-15 minute podcast-style conversation about your documents. They sound like real podcast hosts. The "AI hosts" ask each other questions, build on each other's points, and make material engaging that you might find dry to read.

You can download the audio. Listen on a walk, in the car, while cooking.

Step 5: Use other study tools

The right panel has more tools:

• Study Guide: generates a structured study document with key terms, questions, and summaries.
• Briefing Document: a short executive-summary style overview.
• FAQ: generates common questions and answers about the material.
• Timeline: if your sources discuss events, generates a chronological timeline.
• Mind Map: visual representation of how concepts relate.

Real uses for NotebookLM

For seniors / personal use

• Upload your parent's medical records (sanitized) and ask questions about the diagnoses and care plan.
• Upload all your retirement / Social Security letters and have AI explain your benefits.
• Upload a difficult book; generate an audio overview to listen to before reading.
• Upload family genealogy documents; ask AI to find relationships and patterns.

For students

• Upload class readings; generate a study guide and quiz.
• Listen to the audio overview before class.
• Ask "What are common exam questions on this material?"

For small business owners

• Upload all your competitor websites; ask "What do they offer that I don't?"
• Upload your service agreements; find inconsistencies.
• Upload customer feedback emails; ask AI for recurring themes.
• Upload industry reports; generate executive summaries.

For caregivers

• Upload doctor visit notes (sanitized) across multiple specialists; get a unified picture.
• Upload medication info sheets; ask about interactions and side effects.
• Upload Medicare and supplemental insurance documents; ask "What does this cover?"

For research and learning

• Upload 20 academic papers on a topic; ask AI to find the consensus and the debates.
• Upload a long book; ask for chapter-by-chapter summaries.
• Upload your local government's meeting minutes; find decisions about a specific issue.

What NotebookLM is bad at

• Anything not in your sources. If you ask a question outside the documents, NotebookLM says so. This is a feature, not a bug, but if you wanted general knowledge, use ChatGPT instead.
• Math and computation. Not its strength.
• Real-time information. NotebookLM does not browse the web.
• Generating fresh content. NotebookLM analyzes; it doesn't write a novel for you.

Privacy

Google says NotebookLM does not use your uploaded documents to train its models. Your sources are stored in your Google account. The free tier is fine for most non-sensitive uses. For HIPAA-sensitive medical records, use the version included in paid Google Workspace plans for healthcare, or strip identifiers before uploading.

See our AI privacy guide for general principles.

Free vs paid (NotebookLM Plus)

• Free: Up to 50 sources per notebook, 5x daily audio overview generation, basic features. Enough for most people.
• NotebookLM Plus (via Google AI Pro / Ultra subscription): more sources per notebook, more daily queries, customization options, sharing controls.

Sharing a notebook

Click the share button to share a notebook with others. They get read-only access by default. Useful for:

• Sharing meeting prep with a colleague
• Sending a researched topic summary to family
• Collaborating on a project

5 things to try first

1. Pick a long article you've been meaning to read. Drop the URL into NotebookLM. Generate an audio overview. Listen on a walk.
2. Upload your last 3 doctor visit notes (with name removed). Ask: "What's the trend in my health over these visits?"
3. Upload your homeowner's insurance policy. Ask: "What is not covered? What deductibles apply?"
4. Upload 5 articles about a topic you're researching. Ask: "Where do these sources agree? Where do they disagree?"
5. Upload a Wikipedia article on a complex topic. Generate the audio overview and a study guide. Better than rereading.

NotebookLM in your daily workflow

• Start a "Personal" notebook with all your important household documents. Ask questions across them.
• Start a "Health" notebook with sanitized medical records.
• Start a notebook per topic you're learning about.
• Use audio overviews to absorb material during otherwise empty time.

Comparing NotebookLM to other tools

Video walkthrough

Video by Sanket Singh on YouTube