NotebookLM vs Perplexity
Detailed comparison between NotebookLM and Perplexity. Which one to choose for your project?
Our verdict
NotebookLM wins this comparison with a rating of 4.5/5. NotebookLM stands out for its completely free.
Head to Head
Our recommendation
NotebookLM
Google's AI that turns your docs into an expert assistant
4.5/5 (45 reviews)
Price
Free plan available Key features
- Analyze PDFs, docs, websites, YouTube videos
- Generate podcasts from your docs
- Answers always sourced from your documents
- Collaborative note-taking with AI
Perplexity
The AI answer engine that cites its sources
4.5/5 (209 reviews)
Price
Free plan available Key features
- Synthesized answers with cited sources
- Multi-step deep research
- Targeted search: Academic, YouTube, Reddit, etc.
- Organize your research by project
NotebookLM — Pros and Cons
Pros
- Completely free
- Zero hallucination (based on your sources)
- Very impressive Audio Overview
- Simple and intuitive
Cons
- Limited to your uploaded documents
- No internet access
- Still basic features vs ChatGPT
- No API
Perplexity — Pros and Cons
Pros
- Sources always cited — verifiable and reliable
- More precise answers than ChatGPT for factual research
- Clean and fast interface
- Very generous free plan
- Focus modes uniques (Academic, Reddit, etc.)
Cons
- Less versatile than ChatGPT or Claude for creation
- Pro Search limited on free plan
- No image generation
- Can sometimes misinterpret sources
