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NotebookLM (now Gemini Notebook)

Google's AI research notebook, renamed Gemini Notebook in July 2026, that answers questions and creates summaries grounded in the sources you upload.

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Plan details last verified 2026-10-13 · free plan available · no public API

What it does

Helps students, researchers and professionals understand and work with their own documents by grounding AI answers in those sources with citations.

Main features

  • Chat answers grounded in your sources with in-line citations
  • Supports sources such as PDFs, websites, YouTube videos, audio files, Google Docs and Google Slides
  • Audio Overviews: AI-hosted discussions of your sources in 80+ languages, with selectable formats and lengths
  • Turns sources into study guides, briefings, mind maps and more
  • Notebooks accessible from the Gemini app as well as the standalone web and mobile apps

Best use cases

  • Studying for exams from lecture notes and readings
  • Summarising and comparing research papers or reports
  • Creating an audio summary of documents to listen to on the go
  • Building a shared knowledge notebook for a project or team

Getting started (beginner-friendly)

Sign in with a Google account at notebooklm.google (which now redirects to notebook.google), create a notebook, add a few PDFs or web links, and ask questions; click the citations to check answers against the original sources.

Strengths

  • Answers are grounded in your own sources with citations you can check
  • Free Standard tier available with a Google account
  • Available on web plus Android and iPhone/iPad apps

Limitations

  • AI outputs, including Audio Overviews, may contain inaccuracies or glitches according to Google's help pages, so claims should be checked against sources
  • Free accounts have lower limits on notebooks and sources per notebook than paid plans
  • Availability of the app and paid plans varies by country, and the mobile app supports fewer source types

Pricing (verified summary)

Free plan + paid

Free to use with a Google account on the Standard tier; Google AI Plus, Pro and Ultra plans raise limits and add features, and enterprise access is offered through Google Cloud or qualifying Workspace plans. Limits are subject to change. Verify current plans on Google's NotebookLM / Gemini Notebook help pages.

Last checked Oct 13, 2026. Plan details change often — always confirm on the official site before purchasing.

Platforms

WebAndroidiOS
Privacy note

See Google's NotebookLM / Gemini Notebook help and privacy pages; Google states personal data isn't used for training unless you give feedback, and Workspace/Education data isn't used for training.

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