Brandwave

NotebookLM vs ResearchRabbit:Which is more popular?

In September 2026, NotebookLM had more branded searches than ResearchRabbit among AI research tools worldwide. NotebookLM had about 24.5 million branded searches, while ResearchRabbit had 27,100. NotebookLM made up 61.2% of all AI research tool searches we track, and ResearchRabbit accounted for 0.07%. When we asked ChatGPT and Google AI Overviews about AI research tools, NotebookLM appeared in four of the five answers and ResearchRabbit in two. NotebookLM was mentioned before ResearchRabbit in three out of four answers that named either.

Among AI research tools worldwide in September 2026

Who do people search for more?

NotebookLM, about 904 searches for every 1 for ResearchRabbit

NotebookLM 24.5M searchesResearchRabbit 27.1K searches

Who does AI mention more?

NotebookLM, mentioned in 4 of 5 answers, ResearchRabbit in 2

NotebookLM in 4 of 5ResearchRabbit in 2 of 5

Who does AI recommend more?

NotebookLM, named ahead of ResearchRabbit in 3 of 4 answers

NotebookLM first in 3ResearchRabbit first in 1

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Top AI research tools 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. ResearchRabbit was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. NotebookLM was listed before ResearchRabbit in three out of four answers that named either.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Elicit1st
  2. Consensus2nd
  3. Perplexity3rd
  4. NotebookLM4th
  5. Scite5th
  6. ResearchRabbit6th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Consensus5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Elicit5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • NotebookLM4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Perplexity4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Scite3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • ResearchRabbit2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about AI research tools

5 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is NotebookLM or ResearchRabbit more popular in search?

This chart shows how often people search Google for NotebookLM and ResearchRabbit by name. Each line represents a brand's share of searches for all six AI research tools we track, month by month, from English-language searches worldwide.

NotebookLM and ResearchRabbit among AI research tools worldwide, by month

Share of searches by month for NotebookLM, ResearchRabbit. The figures are in the table below the chart.

View monthly share of searches table
MonthNotebookLMPerplexityConsensusElicitSciteResearchRabbit
Oct 202523.1%73.4%2.2%1.1%0.12%0.06%
Nov 202530.7%65.4%2.6%1%0.13%0.07%
Dec 202542.3%54%2.5%0.95%0.13%0.07%
Jan 202649.9%46%2.8%1.1%0.12%0.07%
Feb 202650.2%45.9%2.6%1.1%0.12%0.07%
Mar 202653.7%42.1%2.8%1.2%0.11%0.07%
Apr 202658.6%37.3%2.8%1.1%0.1%0.06%
May 202663%32.9%3.1%0.95%0.09%0.06%
Jun 202662.8%32.8%3.3%0.94%0.08%0.07%
Jul 202660.6%34.8%3.3%1.2%0.08%0.07%
Aug 202661.1%33.9%3.6%1.1%0.1%0.07%
Sep 202661.2%33.6%3.9%1.1%0.12%0.07%

How has the NotebookLM and ResearchRabbit comparison changed over the last 12 months?

3 findings
  • NotebookLM was ahead of ResearchRabbit in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, NotebookLM’s share of searches among AI research tools worldwide moved from 23.1% to 61.2%, and its estimated monthly branded searches moved from 11.9M to 24.5M.
  • Across the 12 months ending September 2026, ResearchRabbit’s share of searches among AI research tools worldwide moved from 0.06% to 0.07%, and its estimated monthly branded searches moved from 33.1K to 27.1K.

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

2 changes

  1. Estimated monthly branded searches for NotebookLM worldwide rose 106.1% over 12 measured months, from 11.9M to 24.5M in September 2026.

  2. Estimated monthly branded searches for ResearchRabbit worldwide fell 18.1% over 12 measured months, from 33.1K to 27.1K in September 2026.

How are branded searches counted?

3 search terms

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

NotebookLM

2 branded search terms

  • notebook lm
  • notebooklm

ResearchRabbit

1 branded search term

  • researchrabbit

How the Brand Demand Index is measured

Other head-to-heads among AI research tools

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