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AI Visibility Index · September 2026

Interior designers in Basel that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for interior designers in Basel, three times each, in German, and counted who they named. These are the businesses named in two or more of the 36 answers.

Check whether AI names youSee the ranking

Names are printed as the assistants wrote them. We have not checked that any of them is good, open, or real.

Interior designers · Basel
36%of answers named Herzog & de Meuron
Answers
36
Businesses named
34
Named only once
18
Named by 2+ assistants
2 of 16
Named again on a rerun
27%

Edition September 2026. Download the data

Asked for interior designers in Basel, ChatGPT, Claude and Gemini most often named Herzog & de Meuron (36% of answers), HHF Architekten (28%) and Buchner Bründler Architekten (28%). Across 36 answers they named 34 different businesses, 18 of them only once. Each of four buyer questions was asked three times, in German, in September 2026.

The ranking

The AI Recommendation Rate is the fraction of the 36 answers that named a business. The range under it is a 95% confidence interval: where two ranges overlap, the gap between those businesses could be chance.

Interior designers in Basel named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1Herzog & de MeuronIs this your business?36%95%: 23 to 52%42%0%67%4 of 42.2
2HHF ArchitektenIs this your business?28%95%: 16 to 44%0%0%83%4 of 41
3Buchner Bründler ArchitektenIs this your business?28%95%: 16 to 44%67%0%17%4 of 42.2
4Diener & Diener ArchitektenIs this your business?17%95%: 8 to 32%0%0%50%3 of 43.2
5Burckhardt+PartnerAlso written Burckhardt+Partner AGIs this your business?17%95%: 8 to 32%0%0%50%3 of 44.3
6Feld72 ArchitektenIs this your business?14%95%: 6 to 29%0%0%42%3 of 43
7Miller & MarantaIs this your business?11%95%: 4 to 25%33%0%0%3 of 42.3
8Felippi Wyssen ArchitektenIs this your business?11%95%: 4 to 25%0%0%33%3 of 43.8
9Hürzeler Architekten AGIs this your business?6%95%: 2 to 18%0%0%17%2 of 41
10INCHfurnitureIs this your business?6%95%: 2 to 18%17%0%0%2 of 41
11Kunz Architekten AGIs this your business?6%95%: 2 to 18%0%0%17%2 of 42
12Focketyn del Rio StudioIs this your business?6%95%: 2 to 18%17%0%0%2 of 42.5
13GFA Gruppe für ArchitekturAlso written GFA GroupIs this your business?6%95%: 2 to 18%0%0%17%2 of 43
14Daluz González ArchitektenAlso written Daluz Gonzalez ArchitektenIs this your business?6%95%: 2 to 18%0%0%17%2 of 44.5
15Gautschi Lenzin Schenker ArchitektenIs this your business?6%95%: 2 to 18%0%0%17%2 of 44.5
16Kunz und Hochstrasser ArchitektenIs this your business?6%95%: 2 to 18%0%0%17%2 of 45.5

Each assistant column is the share of that assistant's own answers. Questions counts how many of the four produced the name at least once; position is where it came in the answer's list, 1 being first. 18 more names came up in a single answer and are counted above but not listed.

Is this your business?

See what the assistants say about your business today. The free checker asks ChatGPT, Claude, Gemini and Grok two of the Index questions for this category, with the category and the place already filled in, and shows every answer word for word. About 30 seconds, no sign-up.

Check your businessNamed above? Add the badgeWhat the audit does

What each assistant said

The same questions, the same number of times, and often different names. Each column is one assistant's top five from the ranking above, with the share of its own answers that named them.

#ChatGPTClaudeGemini
1Buchner Bründler Architekten67%No other name twiceHHF Architekten83%
2Herzog & de Meuron42%Herzog & de Meuron67%
3Miller & Maranta33%Diener & Diener Architekten50%
4INCHfurniture17%Burckhardt+Partner50%
5Focketyn del Rio Studio17%Feld72 Architekten42%

Claude named no business in 10 of its 12 answers.

Named here? Put it on your site

Every business in the ranking was named in two or more answers. The badge says that and nothing more: no position, because the ranges above do not support one. It links back to this page, so anyone can check.

Correct or remove a listing
Named by AI assistants: Interior designers in Basel, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/interior-designers/basel"><img src="https://aigrow.gg/badges/index/2026-09/interior-designers/basel.svg" width="312" height="100" alt="Named by AI assistants: Interior designers in Basel, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant, in German. The English under each is our translation. The prompt is the one the free scan uses. No web search, no location and no chat history, so every answer starts from the same place.

  1. 1Wer ist der beste Innenarchitekt in Basel?Who is the best interior designer in Basel?
  2. 2Ich renoviere gerade meine Wohnung in Basel. Welchen Innenarchitekten würdest du empfehlen?I'm redoing my apartment in Basel. Which interior designer would you recommend?
  3. 3Welches Innenarchitekturbüro in Basel gestaltet moderne Wohnungen besonders gut?Which interior design studio in Basel does modern homes well?
  4. 4Welchen Innenarchitekten in Basel würdest du für ein Restaurant oder ein Geschäft empfehlen?Which interior designer in Basel would you recommend for a restaurant or a shop?

How to read this page

The full method
What it measures
Which names these models produce when asked cold, from what they learned in training. It is not a review, a rating or our recommendation, and a business missing here may simply be one the models were never shown.
Why the ranges matter
36 answers is a sample. Asked again next month, most shares will move by a few points; the ranges say how far they could move by chance alone.
One business, several spellings
Branches, legal suffixes and spellings of one business are merged, and the other spellings are printed under its name. Names that might be two businesses are kept apart.
A name is wrong
If a business here is closed, misnamed or yours and you want it removed, tell us. We correct or remove it when the page is next published.

Where the assistants look

The sites read most often, with web search on, before the assistants answer about this category in Switzerland. From the AI Source Map: 7 answers.

See every site for this category
wikipedia.org
Read in 86% of the answers
localsearch.ch
Read in 57% of the answers
reddit.com
Read in 43% of the answers

Elsewhere in the Index

Interior designers elsewhere
BernGenevaLausanneLuganoZurichBerlin
Also in Basel
DentistsLawyersAccountantsPlumbersGymsReal estate agencies

Is your business on this list?

The free scan asks the same assistants the questions your customers ask, scores whether they name you, and lists who they name instead.

Run the free AI scanRead the method

Edition September 2026 · published by Guglielmo Paesano, founder of AIGROW · data under CC BY 4.0