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AI Visibility Index · September 2026

Architects in Seattle that AI assistants recommend

We asked ChatGPT and Claude the four questions a buyer asks when looking for architects in Seattle, three times each, in English, 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.

Architects · Seattle
58%of answers named SHKS Architects
Answers
24
Businesses named
27
Named only once
10
Named by 2+ assistants
16 of 17
Named again on a rerun
40%

Edition September 2026. Download the data

Asked for architects in Seattle, ChatGPT and Claude most often named SHKS Architects (58% of answers), Hoedemaker Pfeiffer (54%) and CAST Architecture (38%). Across 24 answers they named 27 different businesses, 10 of them only once. Each of four buyer questions was asked three times, in English, 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.

Architects in Seattle named by AI assistants, September 2026
#BusinessShareChatGPTClaudeQuestionsAvg. position
1SHKS Architects58%95%: 39 to 76%67%50%4 of 42.1
2Hoedemaker Pfeiffer54%95%: 35 to 72%58%50%3 of 42.2
3CAST ArchitectureAlso written CAST architecture38%95%: 21 to 57%33%42%3 of 42.9
4Olson Kundig29%95%: 15 to 49%33%25%2 of 41.3
5Best Practice Architecture21%95%: 9 to 41%17%25%2 of 42.6
6NBBJ21%95%: 9 to 41%17%25%1 of 43.4
7Board & Vellum17%95%: 7 to 36%25%8%3 of 42
8LMN Architects17%95%: 7 to 36%8%25%1 of 42.5
9Mithun17%95%: 7 to 36%17%17%1 of 42.8
10Bohlin Cywinski Jackson17%95%: 7 to 36%25%8%1 of 43.8
11Harris Architects13%95%: 4 to 31%17%8%2 of 42.3
12Robert Hutchison Architecture13%95%: 4 to 31%8%17%3 of 42.7
13Coates Design Architects13%95%: 4 to 31%8%17%2 of 43
14FINNE Architects13%95%: 4 to 31%8%17%1 of 43
15Schemata Workshop13%95%: 4 to 31%17%8%3 of 44
16Miller Hull Partnership8%95%: 2 to 26%8%8%1 of 43
17Dovetail General Contractors8%95%: 2 to 26%17%0%2 of 44

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. 10 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
1SHKS Architects67%SHKS Architects50%
2Hoedemaker Pfeiffer58%Hoedemaker Pfeiffer50%
3CAST Architecture33%CAST Architecture42%
4Olson Kundig33%Olson Kundig25%
5Board & Vellum25%Best Practice Architecture25%

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

The questions

Asked word for word, three times each, to every assistant through its API. 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. 1Who is the best architect in Seattle?
  2. 2I want to renovate my house in Seattle. Which architect would you recommend?
  3. 3Which architecture firm in Seattle is good at designing new homes?
  4. 4Which architect in Seattle would you recommend for an apartment renovation?

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

Architects elsewhere
AustinBostonChicagoDallasHoustonLos Angeles
Also in Seattle
DentistsLawyersAccountantsPlumbersGymsReal estate agencies

Is your business on this list?

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Edition September 2026 · data under CC BY 4.0