Calvin Klein vs COS:Which is more popular?
In September 2026, Calvin Klein had more branded searches than COS among premium fashion brands worldwide. Calvin Klein had about 3.4 million branded searches, while COS had 171,000. Calvin Klein made up 17.4% 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 Calvin Klein in none.
Who do people search for more?
Calvin Klein, about 20 searches for every 1 for COS
Who does AI mention more?
COS, mentioned in 2 of 5 answers, Calvin Klein in 0
Follow Calvin Klein vs COS and get free monthly updates on what changed
By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy
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. Calvin Klein 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 Calvin Klein or COS more popular in search?
This chart shows how often people search Google for Calvin Klein and COS 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 Calvin Klein, 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 Calvin Klein and COS comparison changed over the last 12 months?
3 findings
- Calvin Klein was ahead of COS in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Calvin Klein’s share of searches among premium fashion brands worldwide moved from 15.8% to 17.4%, and its estimated monthly branded searches held steady at 3.4M.
- 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.
How did search popularity change for premium fashion brands worldwide in September 2026?
1 change

In September 2026, Calvin Klein gained share of searches among premium fashion brands worldwide, from 16.9% to 17.4%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Calvin Klein’s and COS’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.
Calvin Klein
1 branded search term
- calvin klein
COS
2 branded search terms
- cos clothing
- cos stores
Other head-to-heads among premium fashion brands

Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.