Comparison
NotebookLM vs Perplexity
Use this as a starting point, then test both with the same real task before committing.
Criteria
NotebookLM
Perplexity
Best for
Understanding a defined set of sources without mixing in unrelated web knowledge
Fast web research and source-backed answers
Platforms
Web, Mobile
Web, iOS, Android
Pricing
Free + paid access depending on account
Free + paid plans
Free option
Yes
Yes
Key features
source grounding, notebooks, audio overview, document analysis
web search, citations, research
Watch out
Best results depend on the quality and completeness of uploaded sources.
Source quality still needs human checking for high-stakes work.