Brandwave

Lamy vs TWSBI:Which is more popular?

In September 2026, Lamy had more branded searches than TWSBI among fountain pen brands worldwide. Lamy had about 49,500 branded searches, while TWSBI had 22,200. Lamy 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, Lamy appeared in all five answers and TWSBI in two. Lamy was mentioned before TWSBI in every answer.

Among fountain pen brands worldwide in September 2026

Who do people search for more?

Lamy, about 2 searches for every 1 for TWSBI

Lamy 49.5K searchesTWSBI 22.2K searches

Who does AI mention more?

Lamy, mentioned in every answer we collected

Lamy in 5 of 5TWSBI in 2 of 5

Who does AI recommend more?

Lamy, named ahead of TWSBI in every answer

Lamy first in 5TWSBI never first

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Top fountain pen brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Lamy appeared in all five answers. TWSBI was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Lamy was listed before TWSBI in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Pilot1st
  2. Lamy2nd
  3. Platinum3rd
  4. Sailor4th
  5. Montblanc5th
  6. TWSBI6th
  7. Kaweco7th
  8. Parker–

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

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 Lamy or TWSBI more popular in search?

This chart shows how often people search Google for Lamy 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.

Lamy and TWSBI among fountain pen brands worldwide, by month

Share of searches by month for Lamy, TWSBI. The figures are in the table below the chart.

View monthly share of searches table
MonthParkerPilotKawecoLamyMontblancTWSBISailorPlatinum
Oct 202542.2%29.7%8.5%10.4%3.8%3.1%1.7%0.5%
Nov 202540.8%29%10%10%4.5%3.7%1.3%0.59%
Dec 202542.4%27.9%8.5%10.4%5.7%3.1%1.4%0.5%
Jan 202639.6%29.3%9.8%9.8%5.3%3.6%2%0.71%
Feb 202641%30.2%8.3%10.1%4.5%3.7%1.7%0.59%
Mar 202641%28.8%10.1%10.1%3.7%3.7%2%0.59%
Apr 202636.7%33.9%9%9%4.9%4%1.8%0.65%
May 202636.6%33.7%9%9%4.9%4%2.2%0.64%
Jun 202644.1%30.1%7.3%8.9%4%3.2%1.8%0.64%
Jul 202643.6%29.8%7.2%10.7%3.2%3.2%1.8%0.51%
Aug 202641.3%30.4%8.3%10.2%3.7%3.7%1.7%0.6%
Sep 202647.5%27.3%7.8%7.8%3.5%3.5%1.9%0.57%

How has the Lamy and TWSBI comparison changed over the last 12 months?

3 findings
  • Lamy was ahead of TWSBI in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Lamy’s share of searches among fountain pen brands worldwide moved from 10.4% to 7.8%, and its estimated monthly branded searches held steady at 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
  1. In September 2026, Lamy lost share of searches among fountain pen brands worldwide, from 10.2% to 7.8%.

  2. 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 Lamy’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.

Lamy

1 branded search term

  • lamy pen

TWSBI

1 branded search term

  • twsbi

How the Brand Demand Index is measured

Other head-to-heads among fountain pen brands

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