Which commercial cleaners does AI recommend in New York City?

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

Engines tracked1
Stored answers21
First run27 Jul 2026
Last run11 Sept 2026

The question we asked, verbatim

“What are the best commercial cleaning companies in New York City? Please recommend specific businesses, 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 11 Sept 2026

Named, in the order given

1Jani-King of New YorkCitedJani-King is one of the largest commercial cleaning franchises in the world, with a strong presence in NYC.
2CleanNet USACitedCleanNet USA provides comprehensive cleaning services tailored to various industries, including healthcare, education, and corporate offices.
3ABM IndustriesCitedABM is a large facility management company that offers cleaning services among other facility solutions.
4ServiceMaster CleanCitedServiceMaster Clean provides a variety of cleaning services, including janitorial services, carpet cleaning, and disaster restoration.
5MaidProCitedWhile primarily known for residential cleaning, MaidPro also offers commercial cleaning services.
6NYC CleanersCitedA local company that specializes in commercial cleaning services for offices, retail spaces, and more.
7Green Clean NYCCitedThis company focuses on eco-friendly cleaning solutions for commercial spaces.

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
Business	24 Aug 2026	27 Aug 2026	31 Aug 2026	3 Sept 2026	7 Sept 2026	11 Sept 2026
Jani-King of New York	—	—	1	—	—	1
CleanNet USA	2	3	2	2	2	2
ABM Industries	3	2	3	3	3	3
ServiceMaster Clean	4	4	4	4	4	4
MaidPro	5	5	5	5	5	5
NYC Cleaners	—	—	8	—	—	6
Green Clean NYC	7	7	7	7	7	7
Jani-King	1	1	—	1	1	—
NYC Office Cleaning	6	—	—	6	6	—
NYC Cleaning Services	—	6	—	—	—	—
Office Pride Commercial Cleaning Services	—	—	6	—	—	—

Named most often

Across all 21 stored answers for this question
Business	Answers naming them	Best position	Engines
ABM Industries	21 of 21	2	1
CleanNet USA	21 of 21	2	1
ServiceMaster Clean	21 of 21	4	1
MaidPro	21 of 21	5	1
Green Clean NYC	21 of 21	7	1
Jani-King	16 of 21	1	1
NYC Cleaning Services	10 of 21	6	1
NYC Office Cleaning	6 of 21	6	1
Jani-King of New York	5 of 21	1	1
NYC Cleaners	4 of 21	6	1
Office Pride Commercial Cleaning Services	3 of 21	6	1
NYC Office Cleaners	1 of 21	6	1

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