NotebookLM
AI research and thinking partner grounded in your sources
Overall score
About
Google's NotebookLM is a research assistant that grounds every answer in documents, links, and notes you upload. Distinctive features include the Audio Overview that turns a notebook of sources into a two-host podcast in one click, and Mind Map / Briefing Doc views that synthesise long-form material. Free tier covers most personal use; paid Plus tier ships with Workspace.
Best for: Founders, researchers, and operators who work with primary sources — investor decks, customer interviews, technical docs — and want answers that cite back to the source. The Audio Overview alone turns a long doc-pile into a 10-minute podcast you can listen to on a walk.
Pricing
Free
- Monthly
- Free
- Annual /mo
- Free
- Billing
- flat
- Notes
- 100 chat queries/day;50 sources per notebook;3 Audio Overviews/day · Free forever for individuals.
Plus (with Google Workspace)
- Monthly
- n/a
- Annual /mo
- n/a
- Billing
- per_user
- Notes
- 500 chat queries/day;300 sources per notebook;20 Audio Overviews/day;Custom audio length;Sharing controls · Bundled with Google Workspace Business / Enterprise / Google AI Pro. Pricing follows Workspace plan.
| Tier | Monthly | Annual /mo | Billing | Notes |
|---|---|---|---|---|
| Free | Free | Free | flat | 100 chat queries/day;50 sources per notebook;3 Audio Overviews/day · Free forever for individuals. |
| Plus (with Google Workspace) | n/a | n/a | per_user | 500 chat queries/day;300 sources per notebook;20 Audio Overviews/day;Custom audio length;Sharing controls · Bundled with Google Workspace Business / Enterprise / Google AI Pro. Pricing follows Workspace plan. |
Key features
- Source-grounded answers with citations
- Audio Overview (podcast from your sources)
- Mind Map and Briefing Doc views
- Upload PDFs, Google Docs, YouTube, web URLs
- Notebook-level conversation history
- Plus tier: more sources per notebook + custom audio length
Integrations
Trust & compliance
- Stage range
- Solopreneur → Seed
- Founded
- 2023
- Status
- active
- SOC 2
- yes
- GDPR
- yes
- Data residency
- global
- External rating
- n/a
- Last verified
- Jun 2026
Reviews
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Pairs well with
People who've discussed NotebookLM
See all people →Curated mentions from podcasts, posts, and public stacks. Editorial coverage; not endorsements.
Allie K Miller
AI advisor; LinkedIn Top Voice
Miller uses NotebookLM for research synthesis and document analysis. She demoed taking 'all of the Great Gatsby' and generating 'a summary, study guide, Q&A bot, and podcast about it in less than 10 minutes' as evidence of NotebookLM's compression speed. Her 2026 predictions praised NotebookLM's Audio Overview feature as a category-defining capability.
Ethan Mollick
Associate Professor; AI researcher
Mollick has written multiple essays praising NotebookLM's grounded-on-source workflow for research and teaching prep, including its audio-overview feature. He frames NotebookLM as the right tool when you want LLM synthesis that's strictly grounded in documents you provide rather than the broader pretraining set.
Founders who use NotebookLM
Operators who publicly include NotebookLM in their AI stack.