Is NotebookLM free?

What's actually included for free

• Every core feature. Chat with citations, Audio and Video Overviews, mind maps, study guides, flashcards and quizzes are all available free, not locked behind a paywall.
• 100 notebooks, each holding up to 50 sources, each source up to 500,000 words.
• 50 chat messages a day and 3 Audio Overviews a day, resetting daily.
• 10 Deep Research runs a month, for pulling in web sources on demand.

What you do not get for free

Paid tiers do not unlock new capabilities, they raise the ceilings on the same product. Google AI Plus ($7.99/month) and Google AI Pro ($19.99/month) increase sources per notebook, daily message and generation limits, and Deep Research quota. The very top Ultra plans add Cinematic Video Overviews and watermark-free downloads. Nothing about answer quality or accuracy changes with a paid plan; you are buying headroom, not a smarter model.

When free stops being enough

In practice, three situations push people to pay: hitting the 50-source cap on a large research project (which consolidation tricks can delay but not eliminate forever), running Deep Research more than a few times a month, and wanting Cinematic Video Overviews. Everything else, casual research, studying, meeting notes, most professional work, fits comfortably inside the free daily limits.

People also ask

Do I need a credit card to use NotebookLM?

No. Sign in with any Google account and start using it immediately. A credit card is only needed if you choose to upgrade to a paid Google AI plan.

What's the difference between NotebookLM Plus and Pro?

Plus and Pro are two different paid tiers with different limits, not a free-vs-paid split. See Plus vs Pro for the exact numbers.

Is NotebookLM free for students?

Yes, the same free plan applies to any Google account, including student accounts. Some schools also provide NotebookLM through a Google Workspace for Education account with additional data protections.