YNSPIRANotebookLM
Gemini Notebook solves a concrete problem: you have a pile of documents you ought to read but don't have time for. Upload the sources (text, PDFs, web pages, other content) and ask questions across all the material. Notebook answers from your sources rather than general knowledge, which reduces hallucinations and gives you more confidence that what you are reading comes from the actual material.
Notebook is free in the browser with a Google account. Higher limits and more features come with Google AI plans and eligible Google Workspace plans. Features and limits vary somewhat by subscription.
More than summaries
What makes NotebookLM extra useful is that it doesn't only summarize in text. It can turn your sources into visual explanations: infographics, mind maps, videos for a visual walkthrough, and visual presentations. For many people this is the biggest strength: you go from text-heavy sources to more engaging content you can understand, use for learning and revision, or pass on.
Notebook Studio
Notebook Studio is the part of Gemini Notebook where you turn your sources into more than answers in a chat. Here you can build presentations, audio overviews, mind maps, infographics, flashcards, quizzes, slide decks and more from the material you put into the notebook. Notebook Studio lets you produce engaging content with minimal prompting: often you just pick a format and hit "Generate".
Research
Gemini Notebook can also run Deep Research for you and come back with the specific sources it finds online. You then choose which of those sources to use for summaries or content, which gives you far more control than running Deep Research directly in an AI chat.
Audio Overview
One of the most used features in Notebook Studio is Audio Overview. It works well when you want an overview while walking, training or doing something else. Two AI voices discuss the content naturally, with questions and follow-ups.
Limitations
- The free plan caps out at 50 sources per notebook
- You need Google AI Pro or Ultra for code analysis or advanced calculations
- No search across notebooks. Google Drive sources don't update automatically either, they have to be synced again
- You cannot share notebooks publicly on the web
Gemini Notebook is only as good as the sources you put into it. It works best with good sources and specific questions.
How to use it
Go to notebook.google.com. Create a new notebook for a specific topic or project. Upload sources (PDFs, documents, text, links to web pages or YouTube videos) or run Deep Research. Ask questions across the material. Start with a few good sources rather than everything at once, for example a report, a presentation, a set of meeting notes and a relevant web page. You get better and more focused answers that way.
Relevant guides and articles
Features
Studio (the right-hand panel)
One of the biggest strengths in Notebook: it lets you easily produce engaging content in different formats (presentations, audio overviews, infographics, quizzes and more) with minimal prompting.
Source-grounded answers
Always answers from the sources you upload rather than general knowledge, which reduces hallucinations.
Broad source support
You can use PDFs, web pages, YouTube videos, audio files, Google Docs and Google Slides as material. You can also find and add new sources directly in Notebook.
Audio Overview
AI-generated podcast where two voices discuss your content. Interactive mode lets you ask questions live.
Video Overview
New in 2026: video generation that summarizes your sources visually.
Flashcards and quizzes
You can generate flashcards and quizzes from your sources. Useful when you want to revise or make content easier to learn.
Tips for good use
- Upload several sources at once to get answers that draw across the documents. This is where Notebook is strongest.
- Audio Overview is the best way to get an overview of large amounts of material while you do something else. Put it on during your commute or a workout.
- Make one notebook per topic, project or client. The answers get more precise, and it is a good way to organize and keep track of your material.
- Use Notebook to make demanding content more engaging, but don't skip the quality check. It is especially useful when you already know the material but want to revise it or make it easier to digest.
- Use Notebook for what it is best at: understanding, sorting and summarizing sources quickly. It is less suited to advanced analysis or number crunching
- The free version is generous: 100 notebooks, 50 sources per notebook, 3 Audio Overviews per day. Presentations, infographics and more are available on the free version too, though Google doesn't state a fixed daily limit.
Available on
Links and pricing
Free with a personal Google account, and available with paid Google AI plans. What you can do varies with the plan.
AI is an assistant, not an authority. Always verify what matters.