Perplexity vs NotebookLM
Perplexity searches the open web. NotebookLM only answers from documents you upload — which means it can't wander off, but it also can't tell you anything new.
Perplexity
Free plan
Pick Perplexity if…
You're researching something and don't yet know the sources.
NotebookLM
Free plan
Pick NotebookLM if…
You already have the sources and want grounded answers with no invention.
Side by side
| Perplexity | NotebookLM | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Category | Data & Research | Data & Research |
| Best known for | Answer engine that cites its sources instead of guessing. | Grounded Q&A over your own documents, with audio overviews. |
| Tags | search, citations, research | documents, research, grounded, audio |
Related comparisons
Comparisons are editorial and can't be bought. Pricing models change — check both vendors before deciding. Some links earn a commission; see the disclosure.