DOAPerplexity vs Gemini Notebook (NotebookLM): which one to choose?
We compare Perplexity and Gemini Notebook (NotebookLM) on price, devices, difficulty and who each one suits, using the data on their DOA pages.
Perplexity
Answer engine with cited sources: every fact comes with its link. Ideal for research, study or checking news without losing where it came from.
Gemini Notebook (NotebookLM)
Google’s notebook that answers only from your sources (formerly NotebookLM; renamed Gemini Notebook in July 2026). Generates summaries, FAQs and podcasts from PDFs and links.
DOA verdict for research
Perplexity wins, but only just
85.3 Perplexity · 83.4 Gemini Notebook (NotebookLM) / 100
Students, journalists and researchers. More transparent than a generic chatbot.
Why
- DOA score in research · Perplexity: 85/100 vs 82/100
- Free version · Gemini Notebook (NotebookLM): 96/100 vs 80/100
- Ease of use: tie
- Devices · Perplexity: 5 vs 3
Pick Gemini Notebook (NotebookLM) if…
Exam prep, university and research desks. Free and outstanding for studying.
How we decide: this verdict uses a formula of its own for comparisons, different from the DOA score: DOA score in research (60%), free version (20%), ease of use (10%) and devices (10%). Data from each tool page, reviewed on 14 October 2026. How we calculate the DOA score and the verdict
| Perplexity | Gemini Notebook (NotebookLM) | |
|---|---|---|
| Price | Freemium Free with limited searches. Pro: US$17/month billed annually; Max: US$167/month billed annually (the official page shows no monthly price). | Freemium Free with a Google account. Google AI Plus/Pro/Ultra raise the caps. |
| Devices | Browser · Android · iPhone / iPad · Mac · Windows | Browser · Android · iPhone / iPad |
| Level | Easy | Easy |
| What it is for | Research Study Writing | Research Study Getting work done |
| DOA score | 85/100 | 82/100 |
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On the overall DOA score, Perplexity gets 85/100 and Gemini Notebook (NotebookLM) 82/100. It is an indicative rating: try both on a real task before you pay.
Perplexity is a better fit for
- Students, journalists and researchers
- Fast briefings with sources
Gemini Notebook (NotebookLM) is a better fit for
- Exam prep, university and research desks
- Onboarding with a pack of internal PDFs