Gemini Notebook (formerly NotebookLM) vs Perplexity

Gemini Notebook (formerly NotebookLM) and Perplexity tie at 80/100 (A-tier) in Chat & research assistants. Gemini Notebook (formerly NotebookLM) leads on value and trust & maturity. Perplexity leads on job fit, ease, openness & portability and builder/gamer bonus. They tie on momentum.
Scores are initial editorial estimates from public information, not hands-on tests. How we score →
Side by side
| Gemini Notebook (formerly NotebookLM) | Perplexity | |
|---|---|---|
| Tier | A | A |
| Overall score | 80/100 | 80/100 |
| Job fit | 22/30 | 23/30 |
| Ease / time-to-first-result | 14/15 | 15/15 |
| Value | 15/15 | 12/15 |
| Momentum | 13/15 | 13/15 |
| Openness & portability | 5/10 | 6/10 |
| Trust & maturity | 9/10 | 8/10 |
| Builder/gamer bonus | 2/5 | 3/5 |
| What it does | notebooklm.google now redirects here. Google research tool that analyzes your uploaded sources, answers grounded questions and turns content into overviews. | Search assistant that answers with cited sources and offers deep research. |
| Best for | You want to study or synthesize your own documents. | You want fast, cited answers instead of ten blue links. |
| Skip it if | You need open-web research. | You need long-form creative writing. |
| Pricing | Free; higher limits with Google AI plans unverified editorial summary, not yet confirmed on an official pricing page | Free tier; paid Pro plan unverified editorial summary, not yet confirmed on an official pricing page |
| Starting paid price | Not recorded | Not recorded |
| Free tier | Yes (unverified) | Yes (unverified) |
| Platforms | web · iOS · Android | web · Mac · Win · iOS · Android |
| Open source | No | No |
| Official site | notebook.google | perplexity.ai |
| Last reviewed | Oct 18, 2026 | Oct 18, 2026 |
Which should you pick?
Pick Gemini Notebook (formerly NotebookLM) if…
You want to study or synthesize your own documents.
Pick Perplexity if…
You want fast, cited answers instead of ten blue links.
FAQ
Is Gemini Notebook (formerly NotebookLM) better than Perplexity?
Gemini Notebook (formerly NotebookLM) and Perplexity tie at 80/100 (A-tier) in Chat & research assistants. Gemini Notebook (formerly NotebookLM) leads on value and trust & maturity. Perplexity leads on job fit, ease, openness & portability and builder/gamer bonus. They tie on momentum. The better pick depends on the job: choose Gemini Notebook (formerly NotebookLM) if you want to study or synthesize your own documents. Choose Perplexity if you want fast, cited answers instead of ten blue links.
Do Gemini Notebook (formerly NotebookLM) and Perplexity have free tiers?
Gemini Notebook (formerly NotebookLM): free tier listed (unverified). Perplexity: free tier listed (unverified). Unverified means an editorial summary not yet confirmed on the vendor's pricing page.
Is Gemini Notebook (formerly NotebookLM) or Perplexity open source?
Gemini Notebook (formerly NotebookLM) is not open source; Perplexity is not open source.
How are these scores calculated?
Both tools are scored out of 100 on the same public rubric (job fit 30, ease 15, value 15, momentum 15, openness 10, trust 10, builder/gamer bonus 5) within their category. Current scores are initial editorial estimates from public information, not hands-on tests. Sponsors cannot buy points.
Keep exploring
- Gemini Notebook (formerly NotebookLM) review and score breakdown
- Perplexity review and score breakdown
- Best AI chat and research assistants
- Best AI research assistants with citations
- Chat & research assistants tier list