Copp OakCopp Oak asked ChatGPT and Gemini the same 12 questions a homeowner in Charleston, SC, might ask about appliance repair: who is best, who to call in an emergency, what it costs, who can come this week, and eight more. Each question went to each assistant once, in a fresh chat, between October 7 and October 18, 2026. The 24 answers named 22 different businesses.Sources: https://doi.org/10.5281/zenodo.23745742 (retrieved 2026-10-31)
The 6 businesses named most
| # | Business | Answers naming it (of 24) | ChatGPT (of 12) | Gemini (of 12) | Listed first |
|---|---|---|---|---|---|
| 1 | Mr. Appliance of Charleston | 18 | 9 | 9 | 0 |
| 2 | Elemental Appliance Repair | 16 | 11 | 5 | 8 |
| 3 | Dynamic Appliances | 9 | 5 | 4 | 0 |
| 4 | Appliance Fixicians | 8 | 8 | 0 | 4 |
| 4 | Sloan Appliance Service | 8 | 4 | 4 | 3 |
| 4 | 911 Service Today | 8 | 0 | 8 | 0 |
Mr. Appliance of Charleston was the one business both assistants named in at least half of their 12 answers. Elemental Appliance Repair was listed first most often among them: 8 of 24 answers.Sources: https://doi.org/10.5281/zenodo.23745742 (retrieved 2026-10-31)
Did the answers offer a way to book?
6 of 24 answers offered a booking path or named a connector (ChatGPT 5 of 12, Gemini 1 of 12). The other 18 offered neither a booking path nor a connector. Across the full study, 79.1% of sampled ChatGPT/Gemini answers offered neither a booking path nor a connector.Sources: https://doi.org/10.5281/zenodo.23745742 (retrieved 2026-10-31)