COMPARISON 2026
Perplexity AI vs. NotebookLM
Which tool is the right one for you? We compare pricing, features and ratings.
Perplexity AI
The AI search engine with source citations
Perplexity AI is an AI-powered search engine that combines current web information with AI answers. Unlike ChatGPT, it always has access to the internet and cites all sources directly....
Free tier
VS
NotebookLM
Google's AI notebook that understands your documents
NotebookLM by Google is an AI-powered research tool. Upload your own PDFs, documents, YouTube videos, or websites and ask questions about them. Known for the revolutionary 'Audio Overview' feature — A...
Free tier
Direct comparison
4.6/5 ★★★★☆
Rating
4.7/5 ★★★★☆
✅ Free tier available
Free tier
✅ Free tier available
From $20/mo
Price
From $0 (NotebookLM Plus in Google One)/mo
Research
Category
Research
5 pros
Pros
5 pros
When to choose which tool?
Choose Perplexity AI if...
- Always up to date (real-time internet)
- Sources are always cited
- Free unlimited use
Choose NotebookLM if...
- Completely free with Google account
- Audio Overview: AI podcast from your documents
- All statements backed by sources