Brandwave

Mermaid vs Miro:Which is more popular?

In September 2026, Miro had more branded searches than Mermaid among diagramming software worldwide. Miro had about 1.8 million branded searches, while Mermaid had 55,300. Miro made up 30% of all diagramming software searches we track, and Mermaid accounted for 0.91%. When we asked ChatGPT and Google AI Overviews about diagramming software, Miro appeared in all five answers and Mermaid in three. Miro was mentioned before Mermaid in four out of five answers.

Among diagramming software worldwide in September 2026

Who do people search for more?

Miro, about 33 searches for every 1 for Mermaid

Miro 1.8M searchesMermaid 55.3K searches

Who does AI mention more?

Miro, mentioned in every answer we collected

Miro in 5 of 5Mermaid in 3 of 5

Who does AI recommend more?

Miro, named ahead of Mermaid in 4 of 5 answers

Miro first in 4Mermaid first in 1

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Top diagramming software in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Miro appeared in all five answers. Mermaid was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Miro was listed before Mermaid in four out of five answers.

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.

Is Mermaid or Miro more popular in search?

This chart shows how often people search Google for Mermaid and Miro by name. Each line represents a brand's share of searches for all ten diagramming software we track, month by month, from English-language searches worldwide.

Mermaid and Miro among diagramming software worldwide, by month

Share of searches by month for Miro, 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%

How has the Mermaid and Miro comparison changed over the last 12 months?

3 findings
  • Miro was ahead of Mermaid in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Mermaid’s share of searches among diagramming software worldwide moved from 1.6% to 0.91%, and its estimated monthly branded searches moved from 107K to 55.3K.
  • Across the 12 months ending September 2026, Miro’s share of searches among diagramming software worldwide moved from 33.3% to 30%, and its estimated monthly branded searches moved from 2.2M to 1.8M.

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

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

  2. 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.

How are branded searches counted?

3 search terms

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

Mermaid

2 branded search terms

  • mermaid chart
  • mermaid js

Miro

1 branded search term

  • miro

How the Brand Demand Index is measured

Other head-to-heads among diagramming software

Creator with pink hair and a pink jacket

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