COS vs Guess:Which is more popular?
In September 2026, Guess had more branded searches than COS among premium fashion brands worldwide. Guess had about 2.7 million branded searches, while COS had 171,000. Guess made up 14.3% of all premium fashion brand searches we track, and COS accounted for 0.89%. When we asked ChatGPT and Google AI Overviews about premium fashion brands, COS appeared in two of the five answers and Guess in none.
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Top premium fashion brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, COS was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Guess 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.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Ralph Lauren4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Bottega Veneta2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Brunello Cucinelli2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
COS2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Calvin Klein0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Tommy Hilfiger0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Guess0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Lacoste0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Hugo Boss0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about premium fashion brands
5 answers
Asked ChatGPT
“Which premium fashion brand should I shop at?”
Asked ChatGPT
“What are the best premium fashion brands?”
Asked ChatGPT
“What's the best premium fashion brand for a better wardrobe?”
Searched Google, AI Overview
“premium fashion brands”
Searched Google, AI Overview
“best fashion brands”
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 19, 2026.
Is COS or Guess more popular in search?
This chart shows how often people search Google for COS and Guess by name. Each line represents a brand's share of searches for all nine premium fashion brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Guess, COS. The figures are in the table below the chart.
View monthly share of searches table
| Month | Ralph Lauren | Calvin Klein | Tommy Hilfiger | Guess | Lacoste | Bottega Veneta | Hugo Boss | Brunello Cucinelli | COS |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 23.5% | 15.8% | 19.2% | 10.5% | 15.8% | 4.7% | 7.1% | 2.6% | 0.87% |
| Nov 2025 | 21.7% | 17.7% | 21.7% | 11.9% | 14.5% | 3.5% | 6.5% | 1.9% | 0.65% |
| Dec 2025 | 22.9% | 15.3% | 18.7% | 12.6% | 15.3% | 4.6% | 6.9% | 3.1% | 0.57% |
| Jan 2026 | 22.3% | 14.9% | 18.2% | 14.9% | 14.9% | 4.5% | 6.7% | 3% | 0.67% |
| Feb 2026 | 18.1% | 22.2% | 18.1% | 12.1% | 14.8% | 5.4% | 5.4% | 3% | 0.76% |
| Mar 2026 | 16% | 23.9% | 16% | 13.1% | 16% | 5.8% | 5.8% | 2.6% | 0.72% |
| Apr 2026 | 18.7% | 18.7% | 18.7% | 12.5% | 15.3% | 6.8% | 5.6% | 3.1% | 0.78% |
| May 2026 | 16.7% | 20.4% | 16.7% | 13.7% | 16.7% | 6.1% | 6.1% | 2.7% | 0.85% |
| Jun 2026 | 18% | 18% | 18% | 12.1% | 18% | 5.4% | 6.6% | 3% | 0.81% |
| Jul 2026 | 17.1% | 17.1% | 20.9% | 14% | 17.1% | 5.1% | 5.1% | 2.8% | 0.72% |
| Aug 2026 | 20.6% | 16.9% | 16.9% | 13.8% | 16.9% | 6.2% | 5% | 2.8% | 0.81% |
| Sep 2026 | 21.3% | 17.4% | 17.4% | 14.3% | 14.3% | 6.4% | 5.2% | 2.9% | 0.89% |
How has the COS and Guess comparison changed over the last 12 months?
3 findings
- Guess was ahead of COS in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, COS’s share of searches among premium fashion brands worldwide moved from 0.87% to 0.89%, and its estimated monthly branded searches moved from 184K to 171K.
- Across the 12 months ending September 2026, Guess’ share of searches among premium fashion brands worldwide moved from 10.5% to 14.3%, and its estimated monthly branded searches moved from 2.2M to 2.7M.
How did search popularity change for premium fashion brands worldwide in September 2026?
1 change
In September 2026, Guess rose from 5th to 4th among premium fashion brands worldwide.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using COS’s and Guess’ 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.
Other head-to-heads among premium fashion brands
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