Brandwave

Carl's Jr. vs Shake Shack:Which is more popular?

In September 2026, Carl's Jr. and Shake Shack were level in searches among fast food chains worldwide, with an estimated 2.2M branded searches each, at 0.92% of the total each. When we asked ChatGPT and Google AI Overviews about fast food chains, Shake Shack appeared in two of the four answers and Carl's Jr. in none.

Among fast food chains worldwide in September 2026

Who do people search for more?

Carl's Jr. and Shake Shack are searched for about as often as each other.

Carl's Jr. 2.2M searchesShake Shack 2.2M searches

Who does AI mention more?

Shake Shack, mentioned in 2 of 4 answers, Carl's Jr. in 0

Shake Shack in 2 of 4Carl's Jr. in 0 of 4

Who does AI recommend more?

Shake Shack, the only one of the two named

Shake Shack first in 2Carl's Jr. never named

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Top fast food chains in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Shake Shack was mentioned in two out of four: in one of the three ChatGPT answers and in the Google AI Overview. Carl's Jr. did not appear in any of the four answers.

Most recommended by AI

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

  1. Chick-fil-A1st
  2. McDonald's2nd
  3. Taco Bell3rd
  4. Wendy's4th
  5. Popeyes5th
  6. Subway6th
  7. Raising Cane’s7th
  8. Shake Shack8th
  9. Burger King–
  10. +1 more
  11. Carl's Jr.–
  12. +1 more

Mentioned by AI

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

  • McDonald's4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Chick-fil-A4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Taco Bell4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Wendy's3 of 4Named in 3 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Popeyes2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Raising Cane’s2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Shake Shack2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Subway1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Burger King0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Carl's Jr.0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

+2 more

See every answer about fast food chains

4 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 19, 2026.

Is Carl's Jr. or Shake Shack more popular in search?

This chart shows how often people search Google for Carl's Jr. and Shake Shack by name. Each line represents a brand's share of searches for all 12 fast food chains we track, month by month, from English-language searches worldwide.

Carl's Jr. and Shake Shack among fast food chains worldwide, by month

Share of searches by month for Carl's Jr., Shake Shack. The figures are in the table below the chart.

View monthly share of searches table
MonthMcDonald'sBurger KingChick-fil-AKFCSubwayTaco BellWendy'sPopeyesCarl's Jr.Raising Cane’sShake ShackNando's
Oct 202541%12.4%10.1%10.1%8.3%6.7%5.5%3%0.91%0.74%1.1%0.02%
Nov 202543.8%10.8%8.8%10.8%7.2%7.2%4.8%3.2%1.2%0.97%1.2%0.02%
Dec 202546.1%11.3%9.2%11.3%6.2%6.2%4.1%2.8%1%0.83%1%0.02%
Jan 202642%12.7%10.4%10.4%6.9%6.9%4.6%3.1%0.93%0.93%1.1%0.02%
Feb 202640.3%12.1%9.9%12.1%8.1%6.6%4.4%3%1.1%1.1%1.3%0.02%
Mar 202641.4%12.5%10.2%10.2%8.4%6.8%4.5%3.1%0.92%0.92%1.1%0.02%
Apr 202641.5%12.5%10.2%10.2%8.4%6.8%4.6%3.1%0.92%0.75%1.1%0.02%
May 202641.6%12.5%10.3%10.3%8.4%6.8%4.6%2.5%0.92%0.92%1.1%0.02%
Jun 202641.8%12.6%10.3%10.3%8.4%6.9%4.6%2.5%0.93%0.76%0.93%0.02%
Jul 202646.4%11.4%9.3%9.3%7.6%6.2%5.1%2.3%0.84%0.68%0.84%0.02%
Aug 202645.3%11.1%9.1%11.1%7.5%6.1%5%2.2%0.82%0.82%1%0.02%
Sep 202641.7%12.6%10.3%10.3%8.4%6.9%4.6%2.5%0.92%0.92%0.92%0.02%

How has the Carl's Jr. and Shake Shack comparison changed over the last 12 months?

3 findings
  • Carl's Jr. was ahead of Shake Shack in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Carl's Jr.’s share of searches among fast food chains worldwide moved from 0.91% to 0.92%, and its estimated monthly branded searches held steady at 2.2M.
  • Across the 12 months ending September 2026, Shake Shack’s share of searches among fast food chains worldwide moved from 1.1% to 0.92%, and its estimated monthly branded searches moved from 2.7M to 2.2M.

How did search popularity change for fast food chains worldwide in September 2026?

2 changes
  1. In September 2026, Carl's Jr. rose from 10th to 9th among fast food chains worldwide.

  2. In September 2026, Shake Shack fell from 9th to 11th among fast food chains worldwide.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using Carl's Jr.’s and Shake Shack’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.

Carl's Jr.

1 branded search term

  • carls jr

Shake Shack

1 branded search term

  • shake shack

How the Brand Demand Index is measured

Other head-to-heads among fast food chains

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