Cummins vs Yamaha:Which is more popular?
In September 2026, Cummins had more branded searches than Yamaha among inverter generator brands worldwide. Cummins had about 246,000 branded searches, while Yamaha had 9,900. Cummins made up 42.7% of all inverter generator brand searches we track, and Yamaha accounted for 1.7%. When we asked ChatGPT and Google AI Overviews about inverter generator brands, Yamaha appeared in three of the five answers and Cummins in one. Yamaha was mentioned before Cummins in three out of four answers.
Who do people search for more?
Cummins, about 25 searches for every 1 for Yamaha
Who does AI mention more?
Yamaha, mentioned in 3 of 5 answers, Cummins in 1
Who does AI recommend more?
Yamaha, named ahead of Cummins in 3 of 4 answers
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Top inverter generator brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Yamaha was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Cummins was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Yamaha was listed before Cummins in three out of four 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.
Honda Power Equipment3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Yamaha3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Generac2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Cummins1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Firman0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Hyundai Power Equipment0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about inverter generator brands
5 answers
Asked ChatGPT
“Which inverter generator brand should I buy?”
Asked ChatGPT
“What are the best inverter generator brands?”
Asked ChatGPT
“What's the best inverter generator brand for backup power?”
Searched Google, AI Overview
“portable inverter generator”
Searched Google, AI Overview
“home backup generator”
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 Cummins or Yamaha more popular in search?
This chart shows how often people search Google for Cummins and Yamaha by name. Each line represents a brand's share of searches for all six inverter generator brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Cummins, Yamaha. The figures are in the table below the chart.
View monthly share of searches table
| Month | Cummins | Honda Power Equipment | Generac | Firman | Hyundai Power Equipment | Yamaha |
|---|---|---|---|---|---|---|
| Oct 2025 | 43.9% | 23.7% | 24.1% | 4% | 2.1% | 2.2% |
| Nov 2025 | 46.3% | 24.2% | 20.7% | 4.2% | 2.3% | 2.3% |
| Dec 2025 | 48.5% | 21.1% | 21.7% | 4.4% | 2% | 2.4% |
| Jan 2026 | 27.2% | 25.8% | 40.7% | 3% | 1.4% | 2% |
| Feb 2026 | 46.2% | 20.8% | 25.4% | 4.2% | 1.6% | 1.9% |
| Mar 2026 | 43.6% | 24.5% | 23.9% | 3.9% | 2% | 2.1% |
| Apr 2026 | 50.4% | 22.2% | 18.5% | 4.5% | 2.3% | 2% |
| May 2026 | 48.4% | 25.6% | 17.8% | 4.4% | 1.9% | 1.9% |
| Jun 2026 | 44.6% | 23.3% | 24.5% | 4% | 1.8% | 1.8% |
| Jul 2026 | 42.3% | 22.4% | 28.4% | 3.1% | 1.8% | 2.1% |
| Aug 2026 | 40.4% | 25.2% | 27.1% | 3.6% | 1.7% | 2% |
| Sep 2026 | 42.7% | 26.5% | 23.4% | 3.9% | 1.9% | 1.7% |
How has the Cummins and Yamaha comparison changed over the last 12 months?
3 findings
- Cummins was ahead of Yamaha in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Cummins’ share of searches among inverter generator brands worldwide moved from 43.9% to 42.7%, and its estimated monthly branded searches held steady at 246K.
- Across the 12 months ending September 2026, Yamaha’s share of searches among inverter generator brands worldwide moved from 2.2% to 1.7%, and its estimated monthly branded searches moved from 12.1K to 9.9K.
How did search popularity change for inverter generator brands worldwide in September 2026?
2 changes
In September 2026, Cummins gained share of searches among inverter generator brands worldwide, from 40.4% to 42.7%.
In September 2026, Yamaha fell from 5th to 6th among inverter generator brands worldwide.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Cummins’ and Yamaha’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.
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