About NotebookLM
NotebookLM is Google's AI-powered research assistant that revolutionizes how you interact with documents and information. Upload PDFs, Google Docs, web links, audio files, and videos to create a personalized AI workspace that provides source-grounded answers and insights. The standout Audio Overview feature generates engaging podcast-style discussions between AI hosts about your uploaded content, making complex information more digestible. Built on Google's Gemini AI, NotebookLM excels at document analysis, creating summaries, FAQs, study guides, and timelines from your sources. Unlike general AI chatbots, it only references your uploaded materials, ensuring accuracy and relevance. The platform offers robust free access with generous limits, while NotebookLM Plus provides enterprise-grade features for businesses and educational institutions. Perfect for researchers, students, content creators, and professionals who need to quickly understand and synthesize information from multiple sources. Recent updates include enhanced multimodal capabilities, improved reasoning, mobile apps, and collaboration features for teams.
Best For
Pros & Cons
Pros
- Completely free tier with generous limits
- Unique Audio Overview podcast generation
- Source-grounded responses ensure accuracy
- Supports multiple file formats (PDF, audio, video)
- Mobile apps for iOS and Android
- No hallucination since it only uses your sources
Cons
- Requires Google account
- Limited third-party integrations
- Cannot access real-time web information
- Collaboration features still in development
Pricing Plans
- Up to 100 notebooks
- 50 sources per notebook
- Audio Overviews
- Document analysis
- 500 notebooks
- 300 sources per notebook
- 5x more Audio Overviews
- Enterprise-grade data protection
Prices as of Feb 2026. Check official site for current pricing.
What People Say
It's been incredible for helping me create presentations, study for exams, create concise notes, summarize key points from a variety of primary research
It's one of the most useful tools to come out in a long time. Each Notebook can handle up to 25 MILLION WORDS across 50 sources. That's roughly 18.75 million
NotebookLM excels in English and perhaps Biology, but it struggles with logic-based subjects like Chemistry
I'm a communication specialist and Notebook LM works really well for keeps all my sources in one place and being able to interact with them
I was able to upload more than 50,000 pages of the nation's law in PDFs to build a lawyer assistant. 300 sources per notebook, 200 MB max files for each source.
FAQ
What is NotebookLM?
Transform documents into interactive AI conversations with Google's NotebookLM. Generate podcast-style Audio Overviews, analyze multiple sources, and get source-grounded answers from your research materials.
How much does NotebookLM cost?
Free • $20 NotebookLM Plus
Is NotebookLM good for beginners?
It depends on your experience level. Check the features to see if it fits your needs.
What are the best alternatives to NotebookLM?
Popular alternatives include ChatGPT, Claude Sonnet 4.5, Perplexity AI.