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AI Visibility Index · September 2026

Dentists in Cologne that AI assistants recommend

We asked ChatGPT and Claude the four questions a buyer asks when looking for dentists in Cologne, three times each, in German, and counted who they named. These are the businesses named in two or more of the 24 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.

Dentists · Cologne
46%of answers named KU64 Zahnärzte Köln
Answers
24
Businesses named
44
Named only once
38
Named by 2+ assistants
6 of 6
Named again on a rerun
20%

Edition September 2026. Download the data

Asked for dentists in Cologne, ChatGPT and Claude most often named KU64 Zahnärzte Köln (46% of answers), Zahnzentrum Köln am Neumarkt (29%) and Zahnärztlicher Notdienst Köln (25%). Across 24 answers they named 44 different businesses, 38 of them only once. Each of four buyer questions was asked three times, in German, in September 2026.

The ranking

Share is the fraction of the 24 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.

Dentists in Cologne named by AI assistants, September 2026
#BusinessShareChatGPTClaudeQuestionsAvg. position
1KU64 Zahnärzte Köln46%95%: 28 to 65%50%42%3 of 41.9
2Zahnzentrum Köln am Neumarkt29%95%: 15 to 49%25%33%2 of 41.7
3Zahnärztlicher Notdienst Köln25%95%: 12 to 45%25%25%1 of 41
4Universitätsklinikum Köln – Klinik und Poliklinik für Mund-, Kiefer- und Plastis13%95%: 4 to 31%17%8%1 of 42
5dental21 KölnAlso written Dental21 Köln, DENTAL21 Köln13%95%: 4 to 31%17%8%3 of 42.3
6AllDent Zahnzentrum Köln8%95%: 2 to 26%8%8%1 of 42.5

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. 38 more names came up in a single answer and are counted above but not listed.

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.

#ChatGPTClaude
1KU64 Zahnärzte Köln50%KU64 Zahnärzte Köln42%
2Zahnzentrum Köln am Neumarkt25%Zahnzentrum Köln am Neumarkt33%
3Zahnärztlicher Notdienst Köln25%Zahnärztlicher Notdienst Köln25%
4Universitätsklinikum Köln – Klinik und Poliklinik für Mund-, Kiefer- und Plastis17%Universitätsklinikum Köln – Klinik und Poliklinik für Mund-, Kiefer- und Plastis8%
5dental21 Köln17%dental21 Köln8%

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: Dentists in Cologne, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/dentists/cologne"><img src="https://aigrow.gg/badges/index/2026-09/dentists/cologne.svg" width="312" height="100" alt="Named by AI assistants: Dentists in Cologne, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant through its API, 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 Zahnarzt in Köln?Who is the best dentist in Cologne?
  2. 2Ich brauche einen Zahnarzt in Köln für eine Kontrolle und eine professionelle Zahnreinigung. Welche Praxen empfiehlst du?I need a dentist in Cologne for a check-up and a cleaning. Which practices would you recommend?
  3. 3Welche Zahnarztpraxis in Köln ist gut für Zahnimplantate?Which dental clinic in Cologne is good for dental implants?
  4. 4Ich habe Zahnschmerzen und brauche einen Notfall-Zahnarzt in Köln. Wen soll ich anrufen?I have a toothache and need an emergency dentist in Cologne. Who should I call?

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
24 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.

Elsewhere in the Index

Dentists elsewhere
BerlinDüsseldorfFrankfurtHamburgMunichStuttgart

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.

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Edition September 2026 · data under CC BY 4.0