---
title: "NotebookLM: search popularity worldwide"
description: "Google’s AI research tool that answers questions from the documents you give it. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/brands/notebooklm"
publisher: "Brandwave"
---

# NotebookLM: search popularity worldwide

Google’s AI research tool that answers questions from the documents you give it. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Brand**: NotebookLM
- **Owned by**: Google
- **Market**: Global
- **Measured month**: Sep 2026
- **Share of Search among AI research assistants**: 60.8%

## Where the brand sits

| Competitive set | Rank | Share of Search | Estimated monthly branded searches |
| --- | --- | --- | --- |
| AI research assistants | 1 | 60.8% | 24.5M |
| AI research tools | 1 | 61.2% | 24.5M |
| AI summarisation tools | 1 | 81.9% | 24.5M |
| AI PDF tools | 1 | 86.2% | 24.5M |

- [AI research assistants](/demand/global-en/categories/ai-research-assistants)
- [AI research tools](/demand/global-en/categories/ai-research-tools)
- [AI summarisation tools](/demand/global-en/categories/ai-summarisation-tools)
- [AI PDF tools](/demand/global-en/categories/ai-pdf-tools)

## Top AI research assistants in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, NotebookLM was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. NotebookLM is the third most recommended of the six.

Brands get a higher AI rank if they are mentioned earlier in the answers that list options.

| Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it |
| --- | --- | --- | --- | --- |
| Elicit | 1st | 3 of 3 | 2 of 2 | 5 of 5 |
| Perplexity | 2nd | 3 of 3 | 0 of 2 | 3 of 5 |
| NotebookLM | 3rd | 3 of 3 | 1 of 2 | 4 of 5 |
| Consensus | 4th | 3 of 3 | 1 of 2 | 4 of 5 |
| Scite | 5th | 1 of 3 | 2 of 2 | 3 of 5 |
| Semantic Scholar | 6th | 0 of 3 | 1 of 2 | 1 of 5 |

## Every AI answer about AI research assistants

- Asked ChatGPT "Which AI research assistant should I use?": 1. Perplexity, 2. Elicit, 3. NotebookLM, 4. Consensus
- Asked ChatGPT "What are the best AI research assistants?": 1. Perplexity, 2. Elicit, 3. NotebookLM, 4. Consensus, 5. Scite
- Asked ChatGPT "What's the best AI research assistant for research with citations?": 1. Perplexity, 2. Elicit, 3. NotebookLM, 4. Consensus
- Searched Google, AI Overview "ai research assistant": 1. Elicit, 2. NotebookLM, 3. Scite
- Searched Google, AI Overview "ai paper search": 1. Consensus, 2. Elicit, 3. Scite, 4. Semantic Scholar

Brands are listed in the order each answer named them. The answers were collected in the United States on October 19, 2026.

## How has branded search demand for NotebookLM changed worldwide over the last 12 months?

- Across the 12 months ending September 2026, estimated monthly branded searches for NotebookLM worldwide rose from 11.9M to 24.5M.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI research assistants worldwide increased from 23% to 60.8%.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI research assistants worldwide peaked at 62.7% in May 2026 and was lowest at 23% in October 2025.
- Across the 12 months ending September 2026, NotebookLM rose from 2nd to 1st among AI research assistants worldwide.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI research tools worldwide increased from 23.1% to 61.2%.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI research tools worldwide peaked at 63% in May 2026 and was lowest at 23.1% in October 2025.
- Across the 12 months ending September 2026, NotebookLM rose from 2nd to 1st among AI research tools worldwide.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI summarisation tools worldwide increased from 54.9% to 81.9%.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI PDF tools worldwide increased from 67.1% to 86.2%.
- Across the 12 months ending September 2026, NotebookLM’s share of searches among AI PDF tools worldwide peaked at 87% in April 2026 and was lowest at 67.1% in October 2025.

## How did search popularity change for AI research assistants worldwide in September 2026?

- Estimated monthly branded searches for NotebookLM worldwide rose 106.1% over 12 measured months, from 11.9M to 24.5M in September 2026.
- Estimated monthly branded searches for Consensus worldwide rose 37.9% over 12 measured months, from 1.1M to 1.6M in September 2026.
- Estimated monthly branded searches for Perplexity worldwide fell 64.4% over 12 measured months, from 37.7M to 13.4M in September 2026.
- Estimated monthly branded searches for Elicit worldwide fell 18.2% over 12 measured months, from 550K to 450K in September 2026.
- Estimated monthly branded searches for Scite worldwide fell 18.2% over 12 measured months, from 60.5K to 49.5K in September 2026.

## How did search popularity change for AI research tools worldwide in September 2026?

- Estimated monthly branded searches for NotebookLM worldwide rose 106.1% over 12 measured months, from 11.9M to 24.5M in September 2026.
- Estimated monthly branded searches for Consensus worldwide rose 37.9% over 12 measured months, from 1.1M to 1.6M in September 2026.
- Estimated monthly branded searches for Perplexity worldwide fell 64.4% over 12 measured months, from 37.7M to 13.4M in September 2026.
- Estimated monthly branded searches for Elicit worldwide fell 18.2% over 12 measured months, from 550K to 450K in September 2026.
- Estimated monthly branded searches for Scite worldwide fell 18.2% over 12 measured months, from 60.5K to 49.5K in September 2026.
- Estimated monthly branded searches for ResearchRabbit worldwide fell 18.1% over 12 measured months, from 33.1K to 27.1K in September 2026.

## How did search popularity change for AI summarisation tools worldwide in September 2026?

- In September 2026, NotebookLM gained share of searches among AI summarisation tools worldwide, from 78.7% to 81.9%.
- In September 2026, QuillBot lost share of searches among AI summarisation tools worldwide, from 19.7% to 16.7%.
- Estimated monthly branded searches for Scholarcy worldwide fell 63.5% over 12 measured months, from 40.5K to 14.8K in September 2026.
- Estimated monthly branded searches for TLDR This worldwide fell 55.6% over 12 measured months, from 5.4K to 2.4K in September 2026.
- Estimated monthly branded searches for Otter worldwide fell 32.8% over 12 measured months, from 569K to 382K in September 2026.

## How did search popularity change for AI PDF tools worldwide in September 2026?

- In September 2026, NotebookLM gained share of searches among AI PDF tools worldwide, from 85.1% to 86.2%.
- In September 2026, Adobe Acrobat lost share of searches among AI PDF tools worldwide, from 13.9% to 12.8%.
- In September 2026, Humata rose from 5th to 4th among AI PDF tools worldwide.
- In September 2026, PDF.ai fell from 4th to 5th among AI PDF tools worldwide.
- Estimated monthly branded searches for AskYourPDF worldwide fell 80.4% over 12 measured months, from 14.8K to 2.9K in September 2026.
- Estimated monthly branded searches for ChatPDF worldwide fell 70.1% over 12 measured months, from 823K to 246K in September 2026.

## Historical estimated branded-search demand

| Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | AI research assistants | 11.9M | 23% | 2 |
| Nov 2025 | AI research assistants | 13.8M | 30.6% | 2 |
| Dec 2025 | AI research assistants | 16.3M | 42.1% | 2 |
| Jan 2026 | AI research assistants | 19.9M | 49.7% | 1 |
| Feb 2026 | AI research assistants | 19.9M | 49.9% | 1 |
| Mar 2026 | AI research assistants | 24.5M | 53.3% | 1 |
| Apr 2026 | AI research assistants | 29.9M | 58.3% | 1 |
| May 2026 | AI research assistants | 29.9M | 62.7% | 1 |
| Jun 2026 | AI research assistants | 24.5M | 62.6% | 1 |
| Jul 2026 | AI research assistants | 19.3M | 60.3% | 1 |
| Aug 2026 | AI research assistants | 19.9M | 60.8% | 1 |
| Sep 2026 | AI research assistants | 24.5M | 60.8% | 1 |
| Oct 2025 | AI research tools | 11.9M | 23.1% | 2 |
| Nov 2025 | AI research tools | 13.8M | 30.7% | 2 |
| Dec 2025 | AI research tools | 16.3M | 42.3% | 2 |
| Jan 2026 | AI research tools | 19.9M | 49.9% | 1 |
| Feb 2026 | AI research tools | 19.9M | 50.2% | 1 |
| Mar 2026 | AI research tools | 24.5M | 53.7% | 1 |
| Apr 2026 | AI research tools | 29.9M | 58.6% | 1 |
| May 2026 | AI research tools | 29.9M | 63% | 1 |
| Jun 2026 | AI research tools | 24.5M | 62.8% | 1 |
| Jul 2026 | AI research tools | 19.3M | 60.6% | 1 |
| Aug 2026 | AI research tools | 19.9M | 61.1% | 1 |
| Sep 2026 | AI research tools | 24.5M | 61.2% | 1 |
| Oct 2025 | AI summarisation tools | 11.9M | 54.9% | 1 |
| Nov 2025 | AI summarisation tools | 13.8M | 58.9% | 1 |
| Dec 2025 | AI summarisation tools | 16.3M | 71.4% | 1 |
| Jan 2026 | AI summarisation tools | 19.9M | 75.1% | 1 |
| Feb 2026 | AI summarisation tools | 19.9M | 75.1% | 1 |
| Mar 2026 | AI summarisation tools | 24.5M | 75.2% | 1 |
| Apr 2026 | AI summarisation tools | 29.9M | 81.6% | 1 |
| May 2026 | AI summarisation tools | 29.9M | 81.9% | 1 |
| Jun 2026 | AI summarisation tools | 24.5M | 81.9% | 1 |
| Jul 2026 | AI summarisation tools | 19.3M | 81.2% | 1 |
| Aug 2026 | AI summarisation tools | 19.9M | 78.7% | 1 |
| Sep 2026 | AI summarisation tools | 24.5M | 81.9% | 1 |
| Oct 2025 | AI PDF tools | 11.9M | 67.1% | 1 |
| Nov 2025 | AI PDF tools | 13.8M | 73.4% | 1 |
| Dec 2025 | AI PDF tools | 16.3M | 79.8% | 1 |
| Jan 2026 | AI PDF tools | 19.9M | 81.1% | 1 |
| Feb 2026 | AI PDF tools | 19.9M | 79.6% | 1 |
| Mar 2026 | AI PDF tools | 24.5M | 83.8% | 1 |
| Apr 2026 | AI PDF tools | 29.9M | 87% | 1 |
| May 2026 | AI PDF tools | 29.9M | 86.9% | 1 |
| Jun 2026 | AI PDF tools | 24.5M | 85.3% | 1 |
| Jul 2026 | AI PDF tools | 19.3M | 82.7% | 1 |
| Aug 2026 | AI PDF tools | 19.9M | 85.1% | 1 |
| Sep 2026 | AI PDF tools | 24.5M | 86.2% | 1 |

## How are NotebookLM’s branded searches counted?

Brandwave collects information about searches that people make online using NotebookLM’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

- “notebook lm”
- “notebooklm”

## Which AI research assistants compete with NotebookLM?

- [Perplexity](/demand/global-en/brands/perplexity): Head-to-head: /demand/global-en/compare/notebooklm-vs-perplexity
- [Consensus](/demand/global-en/brands/consensus): Head-to-head: /demand/global-en/compare/consensus-vs-notebooklm
- [Elicit](/demand/global-en/brands/elicit): Head-to-head: /demand/global-en/compare/elicit-vs-notebooklm
- [Semantic Scholar](/demand/global-en/brands/semantic-scholar): Head-to-head: /demand/global-en/compare/notebooklm-vs-semantic-scholar
- [Scite](/demand/global-en/brands/scite): Head-to-head: /demand/global-en/compare/notebooklm-vs-scite

## Who owns NotebookLM?

NotebookLM is owned by Google. Brandwave also tracks AppSheet, Chrome Remote Desktop, Display & Video 360, Firebase, Fitbit, Gemini, Gmail, Google, Google Ads, Google Alerts, Google Analytics, Google Artifact Registry, Google Authenticator, Google Chat, Google Chrome, Google Chromecast, Google Classroom, Google Cloud, Google Cloud Dataflow, Google Cloud Identity, Google Cloud Pub/Sub, Google Cloud Run, Google Cloud Secret Manager, Google Cloud Speech-to-Text, Google Cloud Storage, Google Cloud Vertex AI, Google Colab, Google DeepMind, Google Display & Video 360, Google Document AI, Google Drive, Google Earth Engine, Google Family Link, Google Forms, Google Keep, Google Keyword Planner, Google Maps, Google Maps Platform, Google Meet, Google Meridian, Google Nest, Google Nest Wifi, Google Project Management Certificate, Google Rich Results Test, Google Security Operations, Google Slides, Google Tasks, Google Threat Intelligence, Google Translate, Google Vault, Google Veo, Google Workspace, Looker, Looker Studio, Material Symbols, Snapseed, TensorFlow Serving, YouTube, YouTube Music, YouTube Studio and YouTube TV, owned by the same company, worldwide.

- [Google](/demand/global-en/companies/google): Owns 68 tracked brands.

## Methodology

- [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Who owns NotebookLM?

NotebookLM is owned by Google. Brandwave also tracks AppSheet, Chrome Remote Desktop, Display & Video 360, Firebase, Fitbit, Gemini, Gmail, Google, Google Ads, Google Alerts, Google Analytics, Google Artifact Registry, Google Authenticator, Google Chat, Google Chrome, Google Chromecast, Google Classroom, Google Cloud, Google Cloud Dataflow, Google Cloud Identity, Google Cloud Pub/Sub, Google Cloud Run, Google Cloud Secret Manager, Google Cloud Speech-to-Text, Google Cloud Storage, Google Cloud Vertex AI, Google Colab, Google DeepMind, Google Display & Video 360, Google Document AI, Google Drive, Google Earth Engine, Google Family Link, Google Forms, Google Keep, Google Keyword Planner, Google Maps, Google Maps Platform, Google Meet, Google Meridian, Google Nest, Google Nest Wifi, Google Project Management Certificate, Google Rich Results Test, Google Security Operations, Google Slides, Google Tasks, Google Threat Intelligence, Google Translate, Google Vault, Google Veo, Google Workspace, Looker, Looker Studio, Material Symbols, Snapseed, TensorFlow Serving, YouTube, YouTube Music, YouTube Studio and YouTube TV, owned by the same company, worldwide.

## Cite this page

Brandwave. "NotebookLM: search popularity worldwide". https://gobrandwave.com/demand/global-en/brands/notebooklm

This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/notebooklm. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.
