Waseit study · US · collected 2026-09-13

Which marketing agencies do AI assistants recommend in Philadelphia?

We asked ChatGPT and Gemini 4 real buying questions about marketing agencies in Philadelphia - the way customers actually ask. 24 names came back for this trade in this city.

No name here is cited by more than one assistant: each of the 24 businesses found comes from a single engine. This is a field without consensus - being cited by one says nothing about the others.

The names the assistants cite most

1.Red Tettemer OConnell + Partnerscited 2 times · by ChatGPT
2.ChatterBlast Mediacited 2 times · by ChatGPT
3.Tierneycited 2 times · by Gemini
4.The Archer Groupcited 1 time · by ChatGPT
5.Mediacurrentcited 1 time · by ChatGPT
6.Harris Marketing Groupcited 1 time · by ChatGPT
7.Sparks Marketing Groupcited 1 time · by ChatGPT
8.Kite & Key Mediacited 1 time · by ChatGPT

Counts are citations across our sampled answers for this trade and city, collected 2026-09-13 via the assistants' APIs. Answers vary between runs - across the whole study, assistants agreed with each other on only 3% of names. A snapshot, honestly labeled, not a permanent ranking.

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Marketing agencies in other cities

Other trades in Philadelphia

Full dataset and method: the 2026 US study (872 answers, 218 trade×city cells) · our methodology