AI Answer Index

Which structural engineers does AI recommend in New York City?

What each AI assistant actually answered, stored verbatim and dated.

The question we asked, verbatim

“Who are the best structural engineers in New York City? Please recommend specific businesses or practitioners, ranked, and cite sources if you can.”

The same text is sent to every engine, at temperature 0 where the engine supports it. Full methodology.

Latest answer from each engine

ChatGPT gpt-4o-mini-2024-07-18 Run

Named, in the order given

  1. 1Thornton TomasettiCitedThornton Tomasetti has worked on many iconic projects, including the One World Trade Center.
  2. 2ArupCitedArup is an international engineering and design consultancy that has a strong presence in New York City.
  3. 3StantecCitedStantec is a global design firm that provides engineering, architecture, and environmental services.
  4. 4Buro HappoldCitedBuro Happold is known for its innovative engineering solutions and has worked on several landmark projects in NYC.
  5. 5Weidlinger Associates (now part of Thornton Tomasetti)CitedWeidlinger Associates has contributed to many significant projects before merging with Thornton Tomasetti.
  6. 6HNTB CorporationCitedHNTB is a national infrastructure solutions firm that provides engineering, architecture, and planning services.
  7. 7Langan Engineering and Environmental ServicesCitedLangan is known for its integrated engineering and environmental services, including structural engineering.
  8. 8SOM (Skidmore, Owings & Merrill)CitedSOM has a strong structural engineering division and has designed many of the city's most iconic buildings.

How the answer has changed

Every run is kept rather than overwritten, so this is the record of what each engine said on each date — not a reconstruction. A run that was not captured on the day cannot be recovered afterwards.

ChatGPT · gpt-4o-mini-2024-07-18 · last 6 runs, oldest first — position in the answer; a dash means not named
Business3 Sept
2026		7 Sept
2026		11 Sept
2026		15 Sept
2026		19 Sept
2026		24 Sept
2026
Thornton Tomasetti111111
Arup323222
Stantec232333
Buro Happold444454
Weidlinger Associates (now part of Thornton Tomasetti)55—5—5
HNTB Corporation665646
Langan Engineering and Environmental Services777777
SOM (Skidmore, Owings & Merrill)—888—8
Weidlinger Associates (part of Thornton Tomasetti)——6—6—
SKANSKA USA————8—

Named most often

Across all 18 stored answers for this question
BusinessAnswers naming themBest positionEngines
Thornton Tomasetti18 of 1811
Arup18 of 1821
Stantec18 of 1821
Buro Happold18 of 1841
HNTB Corporation18 of 1841
Langan Engineering and Environmental Services17 of 1871
Weidlinger Associates (now part of Thornton Tomasetti)15 of 1851
SOM (Skidmore, Owings & Merrill)9 of 1881
SKANSKA USA7 of 1881
Weidlinger Associates (part of Thornton Tomasetti)2 of 1861
WSP USA1 of 1841
Leslie E. Robertson Associates (LERA)1 of 1871
Simpson Gumpertz & Heger (SGH)1 of 1881

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