Brandwave

How popular isQuillBot?

In September 2026, people searched for QuillBot by name about 5.2 million times worldwide, a 44.4% decrease from the previous year. These searches made up 16.7% of all global AI summarisation tool searches, placing QuillBot second out of five tools. When we asked both ChatGPT and Google AI Overviews about AI summarisation tools, QuillBot appeared in two of the five answers and was the second most recommended of the five.

Search and AI answers in September 2026

QuillBot is the second most searched of 5 competitors and the second most recommended in AI answers.

  1. NotebookLMShare of searches 81.9%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th
  2. QuillBotShare of searches 16.7%Mentioned in 2 of 5 AI answersPlace in AI recommendations 2nd
  3. OtterShare of searches 1.3%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  4. ScholarcyShare of searches 0.05%Mentioned in 2 of 5 AI answersPlace in AI recommendations 3rd
  5. TLDR ThisShare of searches <0.01%Mentioned in 2 of 5 AI answersPlace in AI recommendations 1st
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Top AI summarisation tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, QuillBot was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. QuillBot is the second most recommended of the five.

Most recommended by AI

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

  1. TLDR This1st
  2. QuillBot2nd
  3. Scholarcy3rd
  4. NotebookLM4th
  5. Otter–

Mentioned by AI

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

  • NotebookLM3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • QuillBot2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Scholarcy2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • TLDR This2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Otter0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about AI summarisation tools

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Which AI summarisation tools compete with QuillBot?

QuillBot against AI summarisation tools worldwide, by month

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

View monthly share of searches table
MonthNotebookLMQuillBotOtterScholarcyTLDR This
Oct 202554.9%42.2%2.6%0.19%0.02%
Nov 202558.9%38.9%2%0.14%0.02%
Dec 202571.4%26.8%1.7%0.12%0.02%
Jan 202675.1%23%1.8%0.1%0.01%
Feb 202675.1%23%1.8%0.1%0.01%
Mar 202675.2%23%1.8%0.1%0.01%
Apr 202681.6%16.7%1.6%0.07%0.01%
May 202681.9%16.8%1.3%0.06%<0.01%
Jun 202681.9%16.7%1.3%0.05%<0.01%
Jul 202681.2%17.2%1.6%0.04%<0.01%
Aug 202678.7%19.7%1.5%0.04%<0.01%
Sep 202681.9%16.7%1.3%0.05%<0.01%
  1. 1.NotebookLM

    81.9%

    Held 1st. 24.5M estimated branded searches, +22.8% vs prior month. Share +3.2 points.

  2. 2.QuillBot

    16.7%

    Held 2nd. 5M estimated branded searches, 0% vs prior month. Share -3 points.

  3. 3.Otter

    1.3%

    Held 3rd. 382K estimated branded searches, -0.02% vs prior month. Share -0.2 points.

  4. 4.Scholarcy

    0.05%

    Held 4th. 14.8K estimated branded searches, +49.5% vs prior month. Share 0 points.

  5. 5.TLDR This

    <0.01%

    Held 5th. 2.4K estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between QuillBot and its closest rivals

Every comparison with QuillBot

31 comparisons

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

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for QuillBot worldwide fell from 9.3M to 5.2M.
  • Across the 12 months ending September 2026, QuillBot’s share of searches among AI summarisation tools worldwide decreased from 42.2% to 16.7%.
  • Across the 12 months ending September 2026, QuillBot’s share of searches among AI summarisation tools worldwide peaked at 42.2% in October 2025 and was lowest at 16.7% in April 2026.

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

5 changes
  1. In September 2026, NotebookLM gained share of searches among AI summarisation tools worldwide, from 78.7% to 81.9%.

  2. In September 2026, QuillBot lost share of searches among AI summarisation tools worldwide, from 19.7% to 16.7%.

  3. Estimated monthly branded searches for Scholarcy worldwide fell 63.5% over 12 measured months, from 40.5K to 14.8K in September 2026.

  4. Estimated monthly branded searches for TLDR This worldwide fell 55.6% over 12 measured months, from 5.4K to 2.4K in September 2026.

  5. Estimated monthly branded searches for Otter worldwide fell 32.8% over 12 measured months, from 569K to 382K in September 2026.

How are QuillBot’s branded searches counted?

7 search terms

Brandwave collects information about searches that people make online using QuillBot’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.

  • quillbot
  • quillbot ai humanizer
  • quillbot app
  • quillbot humanizer
  • quillbot software
  • quillbot translator
  • translator quillbot

Do you work for QuillBot? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

Where does QuillBot compete?

QuillBot is ranked in five competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
Online translation tools3rd of 62%Show ranking
AI summarisation tools2nd of 516.7%Shown above
Writing assistants2nd of 845.4%Show ranking
AI writing assistants1st of 796.3%Show ranking
AI humanizer tools5th of 119.8%Show ranking
Creator with pink hair and a pink jacket

Is QuillBot your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.