Perplexity vs Gemini Notebook (formerly NotebookLM): Which AI Tool Should You Use?

Perplexity and Gemini Notebook (formerly NotebookLM) compared side by side: pricing, platforms, features, pros and cons, from the facts in our listings.

Perplexity

AI answer engine with cited, real-time results

73/100Our scoreAccess 22/25 · Platforms 4/20 · Features 20/20 · Use cases 10/10 · Pricing transparency 7/15 · Adoption 10/10How we score
Visit Perplexity

Gemini Notebook (formerly NotebookLM)

Google's AI research partner grounded in your sources

80/100Our scoreAccess 22/25 · Platforms 12/20 · Features 20/20 · Use cases 10/10 · Pricing transparency 7/15 · Adoption 9/10How we score
Visit Gemini Notebook (formerly NotebookLM)
FeaturePerplexityGemini Notebook (formerly NotebookLM)
Our score73/10080/100
PricingFreemiumFreemium
PlatformsWebWeb, iOS, Android
CategoriesAI Research & Search, AI Chatbots & AssistantsAI Research & Search, AI Education Tools, AI PDF & Document Tools
Key features
  • Cited answers from the web
  • Deep research
  • Projects and automations
  • Agent tasks
  • Answers grounded in your sources
  • Audio Overviews
  • Summaries and study guides
  • Public notebooks
Best for
  • Researching topics
  • Fact-finding with sources
  • Comparing products
  • Studying course material
  • Researching reports
  • Turning documents into podcasts
Pros
  • Free plan available to get started
  • Free plan available to get started
  • Available on iOS, Android
Cons
  • Advanced features and higher limits need a paid plan
  • Web app only; no native desktop or mobile apps listed
  • Paid plan prices not published in a form we could verify
  • Advanced features and higher limits need a paid plan
  • Paid plan prices not published in a form we could verify
Last checkedOctober 18, 2026October 18, 2026

Which should you choose?

  • Choose Perplexity if you mainly need researching topics.
  • Choose Gemini Notebook (formerly NotebookLM) if you mainly need studying course material.
  • Both run on Web.

Our score is calculated from the facts in each listing with a published rubric (how we score); it is not a hands-on benchmark. Confirm prices on the official sites before you buy.