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Gemini Notebook (formerly NotebookLM)

Grounded AI study assistant over your own sources

Google renamed NotebookLM to Gemini Notebook (checked 4 October 2026).

The Four Mismatches · Gemini Notebook (formerly NotebookLM)

Fits on everything we could check

For a student in the United States, the country it was built for.

Worked out from the maker’s own published facts, checked 4 and 5 October 2026. Nobody hand-scores these. How it’s worked outlearnerfirst.com · The Four Mismatches Test

Independence: our publisher builds learning products too. We never review or score its products, and no tool pays to be listed or to rank higher — how we assess fit.

What it does

What the AI actually does — Retrieval-augmented generation over user-uploaded docs, PDFs and YouTube using Gemini; its 'Audio Overviews' turn sources into a two-host podcast.

Why it was built — An AI research assistant grounded strictly in the sources the user provides, to cut hallucination and preserve attribution.

Who built it

Company
Google (Alphabet)
HQ / origin
Mountain View, California, USA
Founded
2023 (as Project Tailwind; launched Dec 2023)
Model
B2C
Languages
Multiple
Pricing
Freemium (free tier + NotebookLM Plus)

We record durable facts only — no funding-raised or user-count figures. Unverified fields are marked [TBD] rather than guessed.

Where it sits

Gemini Notebook (formerly NotebookLM) is on the Learning Tools Index, in study & homework help, built in United States.

Related & alternatives

Sources