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 worldwide. Hydro Flask had about 450,000 branded searches, while Klean Kanteen had 74,000. Hydro Flask made up 57.1% of all water bottle brand searches we track, and Klean Kanteen accounted for 9.4%. 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.
Who do people search for more?
Hydro Flask, about 6 searches for every 1 for Klean Kanteen
Who does AI mention more?
Hydro Flask, mentioned in every answer we collected
Who does AI recommend more?
Hydro Flask, named ahead of Klean Kanteen in every answer
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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.
- Hydro Flask1st
Owala2nd
YETI3rd
Nalgene4th
S'well5th
Klean Kanteen6th
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
Asked ChatGPT
“Which water bottle brand should I buy?”
Asked ChatGPT
“What are the best water bottle brands?”
Asked ChatGPT
“What's the best water bottle brand for daily hydration?”
Searched Google, AI Overview
“water bottle brands”
Searched Google, AI Overview
“best water bottle”
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 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 seven water bottle brands we track, month by month, from English-language searches worldwide.
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
| Month | Hydro Flask | Nalgene | Chilly's | Klean Kanteen | Owala | S'well | YETI |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 60.5% | 14.4% | 14.9% | 8.1% | 0.48% | 1.3% | 0.32% |
| Nov 2025 | 64% | 12.5% | 12.9% | 8.6% | 0.63% | 1.2% | 0.34% |
| Dec 2025 | 63.8% | 12.4% | 12.8% | 8.6% | 0.63% | 1.4% | 0.34% |
| Jan 2026 | 58.5% | 13.9% | 17.6% | 7.9% | 0.47% | 1.3% | 0.31% |
| Feb 2026 | 60.3% | 14.3% | 14.8% | 8.1% | 0.59% | 1.6% | 0.32% |
| Mar 2026 | 57.1% | 16.6% | 14% | 9.4% | 0.69% | 1.9% | 0.3% |
| Apr 2026 | 57.3% | 16.7% | 14% | 9.4% | 0.69% | 1.5% | 0.31% |
| May 2026 | 55.2% | 17.2% | 13.5% | 11.1% | 0.99% | 1.5% | 0.44% |
| Jun 2026 | 56.4% | 17.5% | 13.8% | 9.3% | 0.83% | 1.5% | 0.68% |
| Jul 2026 | 61.3% | 15.6% | 10.1% | 10.1% | 1.1% | 1.3% | 0.49% |
| Aug 2026 | 63.6% | 15.1% | 10.4% | 8.5% | 0.93% | 1.1% | 0.34% |
| Sep 2026 | 57.1% | 16.6% | 14% | 9.4% | 1.3% | 1.3% | 0.37% |
How has the Hydro Flask and Klean Kanteen comparison changed over the last 12 months?
3 findings
- Hydro Flask was ahead of Klean Kanteen in every measured month of the 12 months ending September 2026.
- 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.
- Across the 12 months ending September 2026, Klean Kanteen’s share of searches among water bottle brands worldwide moved from 8.1% to 9.4%, and its estimated monthly branded searches held steady at 74K.
How did search popularity change for water bottle brands worldwide in September 2026?
2 changes
In September 2026, Klean Kanteen gained share of searches among water bottle brands worldwide, from 8.5% to 9.4%.
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?
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
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