Kaweco vs TWSBI:Which is more popular?
In September 2026, Kaweco had more branded searches than TWSBI among fountain pen brands worldwide. Kaweco had about 49,500 branded searches, while TWSBI had 22,200. Kaweco made up 7.8% of all fountain pen brand searches we track, and TWSBI accounted for 3.5%. When we asked ChatGPT and Google AI Overviews about fountain pen brands, TWSBI appeared in two of the five answers and Kaweco in one. TWSBI was mentioned before Kaweco in every answer that named either.
Who do people search for more?
Kaweco, about 2 searches for every 1 for TWSBI
Who does AI mention more?
TWSBI, mentioned in 2 of 5 answers, Kaweco in 1
Who does AI recommend more?
TWSBI, named ahead of Kaweco in 2 of 2 answers
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Top fountain pen brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, TWSBI was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Kaweco was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. TWSBI was listed before Kaweco in every answer that named either.
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.
Pilot5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Lamy5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Platinum4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Montblanc2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- TWSBI2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Sailor2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Kaweco1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Parker0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about fountain pen brands
5 answers
Asked ChatGPT
“Which fountain pen brand should I buy?”
Asked ChatGPT
“What are the best fountain pen brands?”
Asked ChatGPT
“What's the best fountain pen brand for smooth everyday writing?”
Searched Google, AI Overview
“best fountain pen”
Searched Google, AI Overview
“fountain pen for beginners”
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 Kaweco or TWSBI more popular in search?
This chart shows how often people search Google for Kaweco and TWSBI by name. Each line represents a brand's share of searches for all eight fountain pen brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Kaweco, TWSBI. The figures are in the table below the chart.
View monthly share of searches table
| Month | Parker | Pilot | Kaweco | Lamy | Montblanc | TWSBI | Sailor | Platinum |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 42.2% | 29.7% | 8.5% | 10.4% | 3.8% | 3.1% | 1.7% | 0.5% |
| Nov 2025 | 40.8% | 29% | 10% | 10% | 4.5% | 3.7% | 1.3% | 0.59% |
| Dec 2025 | 42.4% | 27.9% | 8.5% | 10.4% | 5.7% | 3.1% | 1.4% | 0.5% |
| Jan 2026 | 39.6% | 29.3% | 9.8% | 9.8% | 5.3% | 3.6% | 2% | 0.71% |
| Feb 2026 | 41% | 30.2% | 8.3% | 10.1% | 4.5% | 3.7% | 1.7% | 0.59% |
| Mar 2026 | 41% | 28.8% | 10.1% | 10.1% | 3.7% | 3.7% | 2% | 0.59% |
| Apr 2026 | 36.7% | 33.9% | 9% | 9% | 4.9% | 4% | 1.8% | 0.65% |
| May 2026 | 36.6% | 33.7% | 9% | 9% | 4.9% | 4% | 2.2% | 0.64% |
| Jun 2026 | 44.1% | 30.1% | 7.3% | 8.9% | 4% | 3.2% | 1.8% | 0.64% |
| Jul 2026 | 43.6% | 29.8% | 7.2% | 10.7% | 3.2% | 3.2% | 1.8% | 0.51% |
| Aug 2026 | 41.3% | 30.4% | 8.3% | 10.2% | 3.7% | 3.7% | 1.7% | 0.6% |
| Sep 2026 | 47.5% | 27.3% | 7.8% | 7.8% | 3.5% | 3.5% | 1.9% | 0.57% |
How has the Kaweco and TWSBI comparison changed over the last 12 months?
3 findings
- Kaweco was ahead of TWSBI in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Kaweco’s share of searches among fountain pen brands worldwide moved from 8.5% to 7.8%, and its estimated monthly branded searches moved from 40.5K to 49.5K.
- Across the 12 months ending September 2026, TWSBI’s share of searches among fountain pen brands worldwide moved from 3.1% to 3.5%, and its estimated monthly branded searches moved from 14.8K to 22.2K.
How did search popularity change for fountain pen brands worldwide in September 2026?
2 changes
In September 2026, Kaweco rose from 4th to 3rd among fountain pen brands worldwide.
Estimated monthly branded searches for TWSBI worldwide rose 50% over 12 measured months, from 14.8K to 22.2K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Kaweco’s and TWSBI’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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