Brandwave

Hydro Flask vs Klean Kanteen:Which is more popular?

In September 2026, Hydro Flask had more branded searches than Klean Kanteen among water bottle brands in the United States. Hydro Flask had about 201,000 branded searches, while Klean Kanteen had 27,100. Hydro Flask made up 9.8% of all water bottle brand searches we track, and Klean Kanteen accounted for 1.3%. When we asked ChatGPT and Google AI Overviews about water bottle brands, Hydro Flask appeared in all five answers and Klean Kanteen in one. Hydro Flask was mentioned before Klean Kanteen in every answer.

Among water bottle brands in the United States in September 2026

Who do people search for more?

Hydro Flask, about 7 searches for every 1 for Klean Kanteen

Hydro Flask 201K searchesKlean Kanteen 27.1K searches

Who does AI mention more?

Hydro Flask, mentioned in every answer we collected

Hydro Flask in 5 of 5Klean Kanteen in 1 of 5

Who does AI recommend more?

Hydro Flask, named ahead of Klean Kanteen in every answer

Hydro Flask first in 5Klean Kanteen never first

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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. Klean Kanteen was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. Hydro Flask was listed before Klean Kanteen in every answer.

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. Stanley5th
  6. Klean Kanteen6th
  7. CamelBak7th
  8. BrüMate–
  9. Simple Modern–
  10. Contigo–
  11. +3 more

Mentioned by AI

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

  • Owala5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Hydro Flask5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • YETI4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Nalgene4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Stanley3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • CamelBak1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Klean Kanteen1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • BrüMate0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Simple Modern0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Contigo0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+3 more

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 United States on October 26, 2026.

Is Hydro Flask or Klean Kanteen more popular in search?

This chart shows how often people search Google for Hydro Flask and Klean Kanteen by name. Each line represents a brand's share of searches for all 13 water bottle brands we track, month by month, from searches in United States.

Hydro Flask and Klean Kanteen among water bottle brands in the United States, by month

Share of searches by month for Hydro Flask, Klean Kanteen. The figures are in the table below the chart.

View monthly share of searches table
MonthOwalaBrüMateHydro FlaskYETIStanleySimple ModernCamelBakNalgeneKlean KanteenContigoThermosZojirushiLARQ
Oct 202558.9%11.9%11.9%2.9%5.2%2.9%1.6%1.6%1.3%0.71%0.71%0.26%0.14%
Nov 202564.1%10.5%10.5%3.9%4.1%2.6%0.95%1.2%0.95%0.52%0.42%0.19%0.1%
Dec 202556.2%11.3%13.8%6.2%5.3%2.3%1%1.2%1.2%0.55%0.45%0.3%0.16%
Jan 202659.1%11.9%11.9%4.4%4.3%2.4%1.3%1.6%1.3%0.72%0.59%0.32%0.14%
Feb 202659.1%11.9%11.9%4.4%3.8%2.4%1.6%2%1.3%0.71%0.58%0.26%0.17%
Mar 202660.1%12.1%12.1%3.6%3.5%2%1.6%2%1.3%0.73%0.49%0.22%0.12%
Apr 202661.4%12.4%10.1%3.7%3.6%2%1.7%2%1.4%0.75%0.5%0.22%0.12%
May 202655.5%13.6%11.2%5%4.5%2.7%2.2%1.8%1.5%0.82%0.67%0.24%0.13%
Jun 202654.8%13.5%11%5%4%3.3%2.7%2.2%1.5%0.81%0.66%0.36%0.13%
Jul 202659.7%12%9.8%3.6%3.5%5.4%1.6%1.6%1.1%0.72%0.72%0.26%0.1%
Aug 202661.7%10.1%10.1%3.7%3.8%3.7%1.7%1.7%1.4%0.91%0.74%0.41%0.1%
Sep 202659.7%14.7%9.8%3.6%3.3%2.4%1.6%1.6%1.3%0.72%0.72%0.32%0.09%

How has the Hydro Flask and Klean Kanteen comparison changed over the last 12 months?

3 findings

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

1 change

  1. Estimated monthly branded searches for Hydro Flask in the United States fell 18.3% over 12 measured months, from 246K to 201K in September 2026.

How are branded searches counted?

2 search terms

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

Hydro Flask

1 branded search term

  • hydro flask

Klean Kanteen

1 branded search term

  • klean kanteen

How the Brand Demand Index is measured

Other head-to-heads among water bottle brands

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