Brandwave

Semrush vs Similarweb:Which is more popular?

In September 2026, Semrush had more branded searches than Similarweb among competitive intelligence platforms worldwide. Semrush had about 673,000 branded searches, while Similarweb had 303,000. Semrush made up 61.9% of all competitive intelligence platform searches we track, and Similarweb accounted for 27.9%. When we asked ChatGPT and Google AI Overviews about competitive intelligence platforms, Similarweb appeared in all five answers and Semrush in three. Similarweb was mentioned before Semrush in four out of five answers.

Among competitive intelligence platforms worldwide in September 2026

Who do people search for more?

Semrush, about 2 searches for every 1 for Similarweb

Semrush 673K searchesSimilarweb 303K searches

Who does AI mention more?

Similarweb, mentioned in every answer we collected

Similarweb in 5 of 5Semrush in 3 of 5

Who does AI recommend more?

Similarweb, named ahead of Semrush in 4 of 5 answers

Similarweb first in 4Semrush first in 1

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Top competitive intelligence platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Similarweb appeared in all five answers. Semrush was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. Similarweb was listed before Semrush in four out of five answers.

Most recommended by AI

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

  1. Crayon1st
  2. Klue2nd
  3. Similarweb3rd
  4. AlphaSense4th
  5. Contify5th
  6. Semrush6th
  7. Kompyte7th

Mentioned by AI

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

  • Similarweb5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • AlphaSense5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Klue5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Crayon5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Contify4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Semrush3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Kompyte2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers

See every answer about competitive intelligence platforms

5 answers

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

Is Semrush or Similarweb more popular in search?

This chart shows how often people search Google for Semrush and Similarweb by name. Each line represents a brand's share of searches for all seven competitive intelligence platforms we track, month by month, from English-language searches worldwide.

Semrush and Similarweb among competitive intelligence platforms worldwide, by month

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

View monthly share of searches table
MonthSemrushSimilarwebAlphaSenseKlueCrayonKompyteContify
Oct 202563.3%28.4%7%0.98%0.16%0.12%<0.01%
Nov 202564.3%28.9%5.8%0.82%0.15%0.08%<0.01%
Dec 202564%28.8%5.8%1.2%0.14%0.08%<0.01%
Jan 202659.3%32.5%6.5%1.3%0.16%0.09%<0.01%
Feb 202661.4%27.6%8.3%2.5%0.14%0.09%<0.01%
Mar 202659.2%32.5%6.5%1.6%0.13%0.06%<0.01%
Apr 202663.3%28.5%7%0.98%0.13%0.07%<0.01%
May 202662.3%28.1%8.4%0.98%0.15%0.15%<0.01%
Jun 202660.9%27.4%8.2%3.3%0.15%0.04%<0.01%
Jul 202660.1%29.9%8.1%1.7%0.12%0.05%<0.01%
Aug 202664.4%24.1%8.7%2.7%0.13%0.05%<0.01%
Sep 202661.9%27.9%8.3%1.8%0.12%0.04%<0.01%

How has the Semrush and Similarweb comparison changed over the last 12 months?

3 findings

How did search popularity change for competitive intelligence platforms worldwide in September 2026?

2 changes

  1. In September 2026, Similarweb gained share of searches among competitive intelligence platforms worldwide, from 24.1% to 27.9%.

  2. In September 2026, Semrush lost share of searches among competitive intelligence platforms worldwide, from 64.4% to 61.9%.

How are branded searches counted?

5 search terms

Brandwave collects information about searches that people make online using Semrush’s and Similarweb’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.

Semrush

1 branded search term

  • semrush

Similarweb

4 branded search terms

  • similarweb
  • similarweb competitive intelligence
  • similarweb digital intelligence
  • similarweb traffic checker

How the Brand Demand Index is measured

Other head-to-heads among competitive intelligence platforms

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