Gemini Notebook vs Perplexity
Price, platforms and features side by side. The table says where each price was read and when.
Gemini Notebook
Google's AI research assistant that answers from your own sources
Perplexity
AI search assistant that answers questions with cited sources
Where they differ
- Gemini Notebook starts at $4.99 per month (Google AI Plus). Perplexity starts at $17 per month when billed annually ($20 a month on the US App Store).
- Only Perplexity lists a browser extension.
- Gemini Notebook also covers notes.
At a glance
| Gemini Notebook | Perplexity | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Starts at | $4.99 per month (Google AI Plus) | $17 per month when billed annually ($20 a month on the US App Store) |
| Free plan | Standard tier, free with a Google account: 100 notebooks, 50 sources per notebook and standard usage limits that refresh every 5 hours up to a weekly cap. | Free to use, with cited answers, follow-up threads and sync across devices. Perplexity's plans page does not spell out the free plan's limits. |
| Free trial | None listed | None listed |
| Web | ||
| iOS | ||
| Android | ||
| Browser extension | ||
| Made by | Perplexity AI, Inc. | |
| Price read from | gemini.google | perplexity.ai |
| Checked | Oct 4, 2026 | Oct 4, 2026 |
Who each one suits
Gemini Notebook
- Students and researchers working from a set of their own documents
- Turning long documents or lecture material into audio summaries
- Answers that cite the source passage they came from
Perplexity
- Research questions where you want the sources behind each answer
- Follow-up questions that build on an earlier search
- Quick, current answers by voice or text on a phone
Worth knowing
Gemini Notebook
- Paid tiers are not sold on their own: higher limits come with a Google AI Plus, Pro or Ultra subscription.
- The free Standard tier allows 100 notebooks and 50 sources per notebook.
- Usage limits are compute-based. The quota refreshes every 5 hours until a weekly limit is reached.
- The mobile app cannot yet generate or view notes, mind maps, reports or data tables.
Perplexity
- The plans page quotes annual-billing prices only: Pro at $17 and Max at $167 a month. The US App Store lists monthly subscriptions at $20.00 for Pro and $200.00 for Max.
- Pro and Max are described as for personal use only.
- Credits are sold separately in packs from $5.00 for 500 to $50.00 for 5,000.
Key features
Gemini Notebook
- Grounded chat with citations
- Chat with a notebook to get answers based on the sources you added, with in-line citations that point back to them.
- Many source types
- Add PDFs, Google Docs, Slides and Sheets, Word and PowerPoint files, web URLs, public YouTube videos, audio files and images. A source can hold up to 500,000 words or 200 MB.
- Audio and Video Overviews
- Turns a notebook's sources into an Audio Overview or a Video Overview. In the mobile app, Audio Overviews can be downloaded for offline listening.
- Study and presentation outputs
- Generates mind maps, reports, flashcards, quizzes, infographics and slide decks from your sources.
- Deep Research
- An agentic feature that browses up to hundreds of websites, writes a multi-page report and lets you import the results and sources into a notebook.
- Mobile apps
- Apps for Android phones and tablets, iPhone and iPad. Share a website, PDF or YouTube video from another app straight into a notebook.
Perplexity
- Cited answers
- Responds to questions with answers drawn from current web content and lists the sources used for each one.
- Pro Search and Deep Research
- Guided AI search modes for exploring a question in more depth than a single answer.
- Thread follow-ups
- Ask follow-up questions in the same thread so later answers build on earlier ones. Past threads are kept in your Library.
- Assistant
- Handles tasks such as drafting emails, scheduling appointments and booking reservations.
- Perplexity Labs
- Turns a request into a finished report or project rather than a short answer.
- Voice
- Ask questions by speaking instead of typing and get up-to-date answers back.
Plans
Gemini Notebook
Standard$0
Free with a Google account: 100 notebooks, 50 sources per notebook and standard usage limits.
Plus$4.99
per month, with Google AI Plus
200 notebooks, 100 sources per notebook and usage limits two times higher than standard.
Pro$19.99
per month, with Google AI Pro
500 notebooks, 300 sources per notebook and usage limits four times higher than standard.
UltraFrom $99.99
per month, with Google AI Ultra
500 notebooks, 500 or 600 sources per notebook depending on the Ultra tier, and usage limits 5x or 20x higher than AI Pro.
Perplexity
Free$0
Cited answers, follow-up threads, a library of past searches and sync across devices.
Pro$17
per month, or equivalent, when billed annually
Deep research, a choice of AI models, expanded Computer access, document and app creation, and higher usage limits and memory.
Max$167
per month, or equivalent, when billed annually
Everything in Pro with the highest usage limits, 10,000 monthly credits, frontier models and priority access to new features.
EnterpriseCustom
Listed alongside Pro and Max on the plans page; pricing is not shown.
Ways to pay less
Gemini Notebook
- Education
Free Pro plan for college students for a year
Google's US subscriptions page says college students get a free Google AI Pro plan for one year. Google AI Pro provides the Pro tier of Gemini Notebook.
Perplexity
- Annual discount
Lower monthly cost with annual billing
Perplexity's plans page prices Pro at the equivalent of $17 a month when billed annually; the US App Store lists the monthly subscription at $20.00.
