Brandwave

Chilly's vs Hydro Flask:Which is more popular?

In September 2026, Hydro Flask had more branded searches than Chilly's among water bottle brands worldwide. Hydro Flask had about 450,000 branded searches, while Chilly's had 110,000. Hydro Flask made up 57.1% of all water bottle brand searches we track, and Chilly's accounted for 14%. When we asked ChatGPT and Google AI Overviews about water bottle brands, Hydro Flask appeared in all five answers and Chilly's in none.

Among water bottle brands worldwide in September 2026

Who do people search for more?

Hydro Flask, about 4 searches for every 1 for Chilly's

Hydro Flask 450K searchesChilly's 110K searches

Who does AI mention more?

Hydro Flask, mentioned in every answer we collected

Hydro Flask in 5 of 5Chilly's in 0 of 5

Who does AI recommend more?

Hydro Flask, the only one of the two named

Hydro Flask first in 5Chilly's never named

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Top water bottle brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Hydro Flask appeared in all five answers. Chilly's 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. Hydro Flask1st
  2. Owala2nd
  3. YETI3rd
  4. Nalgene4th
  5. S'well5th
  6. Klean Kanteen6th
  7. Chilly's–

Mentioned by AI

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

  • Hydro Flask5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Nalgene5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Owala5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • YETI4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Klean Kanteen1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • S'well1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Chilly's0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about water bottle brands

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 Chilly's or Hydro Flask more popular in search?

This chart shows how often people search Google for Chilly's and Hydro Flask by name. Each line represents a brand's share of searches for all seven water bottle brands we track, month by month, from English-language searches worldwide.

Chilly's and Hydro Flask among water bottle brands worldwide, by month

Share of searches by month for Hydro Flask, Chilly's. The figures are in the table below the chart.

View monthly share of searches table
MonthHydro FlaskNalgeneChilly'sKlean KanteenOwalaS'wellYETI
Oct 202560.5%14.4%14.9%8.1%0.48%1.3%0.32%
Nov 202564%12.5%12.9%8.6%0.63%1.2%0.34%
Dec 202563.8%12.4%12.8%8.6%0.63%1.4%0.34%
Jan 202658.5%13.9%17.6%7.9%0.47%1.3%0.31%
Feb 202660.3%14.3%14.8%8.1%0.59%1.6%0.32%
Mar 202657.1%16.6%14%9.4%0.69%1.9%0.3%
Apr 202657.3%16.7%14%9.4%0.69%1.5%0.31%
May 202655.2%17.2%13.5%11.1%0.99%1.5%0.44%
Jun 202656.4%17.5%13.8%9.3%0.83%1.5%0.68%
Jul 202661.3%15.6%10.1%10.1%1.1%1.3%0.49%
Aug 202663.6%15.1%10.4%8.5%0.93%1.1%0.34%
Sep 202657.1%16.6%14%9.4%1.3%1.3%0.37%

How has the Chilly's and Hydro Flask comparison changed over the last 12 months?

3 findings
  • Hydro Flask was ahead of Chilly's in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Chilly's’ share of searches among water bottle brands worldwide moved from 14.9% to 14%, and its estimated monthly branded searches moved from 135K to 110K.
  • Across the 12 months ending September 2026, Hydro Flask’s share of searches among water bottle brands worldwide moved from 60.5% to 57.1%, and its estimated monthly branded searches moved from 550K to 450K.

How did search popularity change for water bottle brands worldwide in September 2026?

2 changes

  1. In September 2026, Chilly's gained share of searches among water bottle brands worldwide, from 10.4% to 14%.

  2. In September 2026, Hydro Flask lost share of searches among water bottle brands worldwide, from 63.6% to 57.1%.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Chilly's’ and Hydro Flask’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.

Chilly's

2 branded search terms

  • chilly s
  • chillys

Hydro Flask

1 branded search term

  • hydro flask

How the Brand Demand Index is measured

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