Brandwave

How popular isMermaid?

In September 2026, people searched for Mermaid by name about 55,300 times worldwide, a 48.4% decrease from the previous year. These searches made up 0.91% of all global diagramming software searches, placing Mermaid seventh out of ten brands. When we asked both ChatGPT and Google AI Overviews about diagramming software, Mermaid appeared in three of the five answers and was the fourth most recommended of the ten.

Search and AI answers in September 2026

Mermaid is the seventh most searched of 10 competitors and the fourth most recommended in AI answers.

  1. draw.ioShare of searches 37.6%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  2. MiroShare of searches 30%Mentioned in 5 of 5 AI answersPlace in AI recommendations 3rd
  3. ExcalidrawShare of searches 13.5%Mentioned in 3 of 5 AI answersPlace in AI recommendations 6th
  4. LucidchartShare of searches 9.3%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  5. MermaidShare of searches 0.91%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th

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Top diagramming software in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Mermaid was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Mermaid is the fourth most recommended of the ten.

Most recommended by AI

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

  1. draw.io1st
  2. Lucidchart2nd
  3. Miro3rd
  4. Mermaid4th
  5. Whimsical5th
  6. Excalidraw6th
  7. Microsoft Visio7th
  8. SmartDraw8th
  9. Creately–
  10. Gliffy–

Mentioned by AI

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

  • draw.io5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Miro5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Lucidchart5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Excalidraw3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Mermaid3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Whimsical3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Microsoft Visio2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • SmartDraw1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Creately0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Gliffy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about diagramming software

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 diagramming software compete with Mermaid?

Mermaid against diagramming software worldwide, by month

Share of searches by month for draw.io, Miro, Excalidraw, Lucidchart, Microsoft Visio, Mermaid. The figures are in the table below the chart.

View monthly share of searches table
Monthdraw.ioMiroExcalidrawLucidchartMicrosoft VisioSmartDrawMermaidCreatelyGliffyWhimsical
Oct 202534.1%33.3%8.2%12.4%8%1.7%1.6%0.61%0.17%0.01%
Nov 202537.3%29.8%9%11.2%8.2%1.8%1.9%0.67%0.15%0.01%
Dec 202537.3%30.1%11%9.2%8.3%1.5%1.9%0.55%0.16%0.01%
Jan 202636.5%29.3%10.7%9%9.9%1.8%2.2%0.44%0.19%0.01%
Feb 202635.6%28.5%10.5%10.7%9.7%2.1%2.1%0.53%0.18%0.02%
Mar 202636.7%29.3%10.8%11.1%8.1%1.8%1.4%0.54%0.16%0.01%
Apr 202636.9%29.5%10.8%11.1%8.1%1.5%1.5%0.44%0.13%0.01%
May 202640.5%26.6%12%10.2%7.3%1.3%1.5%0.4%0.12%0.01%
Jun 202636.6%29.5%13.2%9.4%8.1%1.2%1.6%0.3%0.11%0.02%
Jul 202635.3%28.2%15.6%9.4%8.3%1.4%1.4%0.28%0.13%0.02%
Aug 202635.5%28.2%15.6%9.5%7.9%1.8%1.3%0.28%0.13%0.01%
Sep 202637.6%30%13.5%9.3%6.8%1.5%0.91%0.3%0.09%<0.01%

  1. 1.draw.io

    37.6%

    Held 1st. 2.3M estimated branded searches, +49.3% vs prior month. Share +2.1 points.

  2. 2.Miro

    30%

    Held 2nd. 1.8M estimated branded searches, +50% vs prior month. Share +1.8 points.

  3. 3.Excalidraw

    13.5%

    Held 3rd. 823K estimated branded searches, +22.3% vs prior month. Share -2.1 points.

  4. 4.Lucidchart

    9.3%

    Held 4th. 565K estimated branded searches, +38.2% vs prior month. Share -0.2 points.

  5. 5.Microsoft Visio

    6.8%

    Held 5th. 413K estimated branded searches, +21.7% vs prior month. Share -1.1 points.

  6. 6.SmartDraw

    1.5%

    Held 6th. 92.9K estimated branded searches, +22.1% vs prior month. Share -0.2 points.

  7. 7.Mermaid

    0.91%

    Held 7th. 55.3K estimated branded searches, 0% vs prior month. Share -0.4 points.

  8. 8.Creately

    0.3%

    Held 8th. 18.3K estimated branded searches, +49.6% vs prior month. Share 0 points.

  9. 9.Gliffy

    0.09%

    Held 9th. 5.3K estimated branded searches, -2% vs prior month. Share 0 points.

  10. 10.Whimsical

    <0.01%

    Held 10th. 590 estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between Mermaid and its closest rivals

Every comparison with Mermaid

9 comparisons

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

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Mermaid worldwide fell from 107K to 55.3K.
  • Across the 12 months ending September 2026, Mermaid’s share of searches among diagramming software worldwide decreased from 1.6% to 0.91%.
  • Across the 12 months ending September 2026, Mermaid’s share of searches among diagramming software worldwide peaked at 2.2% in January 2026 and was lowest at 0.91% in September 2026.

How did search popularity change for diagramming software worldwide in September 2026?

6 changes

  1. In September 2026, draw.io gained share of searches among diagramming software worldwide, from 35.5% to 37.6%.

  2. In September 2026, Miro gained share of searches among diagramming software worldwide, from 28.2% to 30%.

  3. In September 2026, Excalidraw lost share of searches among diagramming software worldwide, from 15.6% to 13.5%.

  4. In September 2026, Microsoft Visio lost share of searches among diagramming software worldwide, from 7.9% to 6.8%.

  5. Mermaid’s share of searches among diagramming software worldwide has lost ground for 3 months in a row, from 1.6% to 0.91% in September 2026.

  6. Estimated monthly branded searches for Creately worldwide fell 55.1% over 12 measured months, from 40.8K to 18.3K in September 2026.

How are Mermaid’s branded searches counted?

2 search terms

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

  • mermaid chart
  • mermaid js

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How the Brand Demand Index is measured

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