NotebookLM
“Smart folder” — a librarian who reads only what you give it
What is NotebookLM?
NotebookLM is Google’s source-grounded AI: it answers only from the documents, videos, and links you upload and cites a source for every sentence. Since July 2026 it has been renamed 'Gemini Notebook'.
- 1It only draws on the sources you upload
- 2Every sentence in an answer shows where it came from
- 3It was renamed 'Gemini Notebook' in July 2026
What sets it apart
These are the differences we found by running the same material through several tools in our training sessions.
Every answer comes with sources
Each sentence in an answer carries a marker showing which source and which passage it came from, and one click jumps to the original text. No one has to track down and check citations by hand. When you work with regulations or contracts, this one feature can decide whether you adopt the tool.
Stays within the sources you give it
It does not fill gaps with general knowledge; if the answer is not in your sources, it says so. When you need answers that apply only to your organization, such as company policy, it is much safer than a general chat AI. Swap the sources and the answers change with them.
Turn dense reading into something you can listen to
It turns your uploaded sources into audio and video overviews, mind maps, flashcards, and quizzes. For training managers, this means you can create internal training materials to listen to on the commute without producing them separately.
⚖️ The weaknesses are clear, too
On July 16, 2026, Google renamed it “Gemini Notebook.” The URL and existing notebooks are unchanged, but internal guides that only mention the old name can cause confusion. Also, it never goes beyond the sources you upload, so it isn’t suited to general-knowledge questions or the latest news.
💡 In plain EnglishIt is not a search engine combing the whole internet. It is closer to a librarian who reads only the box of sources you hand over, and answers from those.
Some tasks, like policies, manuals, and contracts, need answers that come only from your company’s own materials. Because it never goes beyond its sources, it’s much easier to get approved for internal use.
Same job, different approach
A new hire asks the same policy question for the third time
The old way
- Finds the rulebook file and sends it by chat
- You can’t tell which clause applies, so you end up opening the file and searching yourself
- Screenshot the clause you found and send it over again
- Next week, another employee asks the same question
Using NotebookLM
- Upload the rulebooks and manuals to a single notebook
- Share the notebook link with your team
- Employees ask questions and get answers with sources
- When a policy is revised, just swap in the new document
Common uses
Ask your internal policies
Gather your employment rules, conduct policies, and manuals in one notebook, then ask things like “Can annual leave be carried over?” Each answer shows which page it came from, so you can quote it directly.
Skim bid and proposal documents
Upload the full notice and statement of work, then ask: 'Pull out only the scoring criteria and required documents.' Check first for any item that disqualifies you if it is left out.
Create training materials
Feed in lecture scripts and reference materials to generate mind maps, flashcards, and quizzes. It does not invent content that is missing from the sources, so there is less to check when you review course materials.
Who it’s for
Best for
- ✓Anyone who works with source-critical material such as policies, manuals, and contracts
- ✓Training and HR managers who keep answering the same questions
- ✓People writing reports that must name their citation sources
Better served by other tools
- –Not for anyone who needs real-time information such as the latest news or market prices
- –People who want to brainstorm without any sources
- –Anyone whose main goal is creating images or video
Can we use it at work?
The questions that adoption leads and security teams ask first.
Please verify: since the rename, the data-handling and retention terms for personal and organizational accounts may have changed. Before adopting the tool, check the current settings in your Workspace admin console and the official terms.
10-minute quick start
- 1
Sign in with your Google account and create a new notebook.
- 2
Upload three or four sources that must be right, such as policies or manuals.
- 3
Ask the questions you actually get, word for word, then click the source cited in each answer to check the original.
- 4
Save useful answers as notes, and organize your notebooks by topic.
Copy-and-paste prompts
Replace only the [bracketed] parts, then paste it in.
Answer only from the sources I uploaded. If something isn’t in them, say 'Not in the sources'. Question: [your question about company policy]
Compare the uploaded documents and build a table of differences. Use [3–5 criteria you want to compare] as the rows, and in each cell note which document and page the information came from.
Read this notice and the statement of work, then extract every document we must submit and the evaluation scoring. Also summarize the deadline and submission method, and mark any unclear items as 'Needs confirmation'.
If I ran a 2-hour internal training with this material, write 10 questions to ask participants. Only create questions that can be answered from the sources, and tell me where each answer is found.
Rewrite the uploaded manual as a guide for an employee’s first week. Explain technical terms in plain language and list the must-follow rules separately. Don’t add anything that isn’t in the original.
Using it with other tools
Linking two or three tools changes your work more than any single tool does.
Scattered documents, one answer
From long videos to training slides
Before you start
- If your sources are outdated, so are the answers. Replace them with the revised rules first.
- A source citation does not guarantee the interpretation is correct. Click through to verify each citation.
- Don’t mix personal and company accounts. Where your files end up depends on which account you use.
- The name has changed to 'Gemini Notebook'. If your internal guides only use the old name, people will get lost.
Pricing: personal use and work use
Plans that individuals pay for are different from plans that organizations contract for by member.
For individual use
Free with a Google account. Limits apply to notebooks and sources
Higher access levels for notebooks, 2 TB of storage
Expanded notebook access, Deep Research, 5 TB of storage
Using it at work
Use it with your organization account
Includes Gemini in Gmail, Docs, and more
Standard features + enhanced security and administration
For large organizations
Checked 21 Sep 2026 · Personal pricing is the KRW price shown on Google One's Korea pricing page; business pricing is the USD price shown on the official Google Workspace pricing page. Listed prices exclude tax. Prices can change without notice — check the official page before you pay. Google One plans (Korea) ↗ · Google Workspace pricing ↗
Where NotebookLM falls short
We don’t just list the positives. Here is what fell short when we used it.
- The name change makes it hard to find
Since the July 2026 rename to Gemini Notebook, search results are split across the two names. Most online how-to articles and videos still use the old name, so when you introduce the tool to learners, you have to explain the name first.
- On the free plan, you’ll have to work around the limits
There are limits on the number of notebooks and sources you can upload, so as your courses grow you end up deleting old notebooks to make room. The limits aren’t clearly shown, so it can feel like you suddenly hit a wall one day.
- Moving content out takes some effort
The answers are good, but moving them into a report is a hassle. Pasting sentences with footnotes into a document scrambles the markers, so you end up re-organizing the sources and reformatting from scratch.
Tools to compare
PerplexitySummaries with cited sources→
ClaudeThe AI everyone is watching→
GeminiGoogle’s all-purpose AI→
Lilys AIVideo, audio, and document summaries→FAQ
Last updated 22 Sep 2026 · The ratings on this page come from John Kim, CEO of Nanum Consulting, who has used these tools firsthand in training and real work.
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