Brandwave

Content Harmony vs Semrush Writing Assistant:Which is more popular?

In September 2026, Semrush Writing Assistant had more branded searches than Content Harmony among SEO content optimization platforms worldwide. Semrush Writing Assistant had about 140 branded searches, while Content Harmony had 110. Semrush Writing Assistant made up 0.42% of all SEO content optimization platform searches we track, and Content Harmony accounted for 0.33%. When we asked ChatGPT and Google AI Overviews about SEO content optimization platforms, Semrush Writing Assistant appeared in all five answers and Content Harmony in none.

Among SEO content optimization platforms worldwide in September 2026

Who do people search for more?

Semrush Writing Assistant, about 27% more searches than Content Harmony

Semrush Writing Assistant 140 searchesContent Harmony 110 searches

Who does AI mention more?

Semrush Writing Assistant, mentioned in every answer we collected

Semrush Writing Assistant in 5 of 5Content Harmony in 0 of 5

Who does AI recommend more?

Semrush Writing Assistant, the only one of the two named

Semrush Writing Assistant first in 5Content Harmony never named

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Top SEO content optimization platforms in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Semrush Writing Assistant appeared in all five answers. Content Harmony did not appear in any of the five answers.

Most recommended by AI

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

  1. Semrush Writing Assistant1st
  2. Content Harmony–

Mentioned by AI

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

  • Semrush Writing Assistant5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Content Harmony0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about SEO content optimization platforms

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 21, 2026.

Is Content Harmony or Semrush Writing Assistant more popular in search?

This chart shows how often people search Google for Content Harmony and Semrush Writing Assistant by name. Each line represents a brand's share of searches for all seven SEO content optimization platforms we track, month by month, from English-language searches worldwide.

Content Harmony and Semrush Writing Assistant among SEO content optimization platforms worldwide, by month

Share of searches by month for Semrush Writing Assistant, Content Harmony. The figures are in the table below the chart.

View monthly share of searches table
MonthSemrush Writing AssistantContent Harmony
Nov 20250.34%0.42%
Dec 20250.36%0.45%
Jan 20260.24%0.37%
Feb 20260.36%0.55%
Mar 20260.57%0.46%
Apr 20260.56%0.37%
May 20260.28%0.34%
Jun 20260.34%0.34%
Jul 20260.27%0.35%
Aug 20260.91%0.31%
Sep 20260.42%0.33%
Oct 2026——

How has branded search for Content Harmony and Semrush Writing Assistant changed worldwide over the last 12 months?

3 findings

How did search popularity change for SEO content optimization platforms worldwide in September 2026?

2 changes

  1. Estimated monthly branded searches for Content Harmony worldwide fell 57.7% over 11 measured months, from 260 to 110 in September 2026.

  2. Estimated monthly branded searches for Semrush Writing Assistant worldwide fell 33.3% over 11 measured months, from 210 to 140 in September 2026.

How are Content Harmony’s and Semrush Writing Assistant’s branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Content Harmony’s and Semrush Writing Assistant’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.

Content Harmony

1 branded search term

  • content harmony

Semrush Writing Assistant

1 branded search term

  • semrush writing assistant

How the Brand Demand Index is measured

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