Checked October 15, 2026 · 60 answers · 5 cities
loc.aiThe local AI index

Which AI sends you to a real plumber?

We checked every business each engine named against Google Maps. Claude had the highest share of picks we could match to a listing. Gemini named the most businesses we couldn't find.

60 answers · 460 named picks · checked October 15, 2026

01Verified rate

Share of each engine's named picks that match a real Google Maps listing in that state.
  1. 1
    Claudeclaude-haiku-4-5

    83 of 83 found

    100.0%
  2. 2
    Perplexitysonar

    72 of 76 found · 4 not found

    94.7%
  3. 3
    Geminigemini-2.5-flash

    184 of 197 found · 13 not found

    93.4%
  4. 4
    ChatGPTgpt-4o-mini

    96 of 104 found · 8 not found

    92.3%

02The full scorecard

All 15 answers per engine, 5 cities x 3 prompts, web search on.
Claude
Verified
100.0%
Not found
0.0%
Closed
0.0%
Avg rating
4.82★
Median reviews
1,097
In Maps top 10
18%
Top 10 covered
20%
Answer length
196w
Names / answer
5.5
Perplexity
Verified
94.7%
Not found
5.3%
Closed
0.0%
Avg rating
4.76★
Median reviews
1,055
In Maps top 10
12%
Top 10 covered
14%
Answer length
129w
Names / answer
5.1
Gemini
Verified
93.4%
Not found
6.6%
Closed
0.0%
Avg rating
4.82★
Median reviews
736
In Maps top 10
9%
Top 10 covered
20%
Answer length
389w
Names / answer
13.1
ChatGPT
Verified
92.3%
Not found
7.7%
Closed
0.0%
Avg rating
4.83★
Median reviews
713
In Maps top 10
15%
Top 10 covered
20%
Answer length
225w
Names / answer
6.9
Verified.
Named picks that match a Google Maps listing in the same state.
Not found.
Named picks with no matching listing after two Maps searches.
Closed.
Matched listings Google marks as permanently or temporarily closed. None turned up in this edition.
Avg rating.
Mean Google rating of the matched businesses the engine named.
Median reviews.
Median Google review count of matched picks. Higher means it leans toward established businesses.
In Maps top 10.
Share of the engine's picks that rank in the Google Maps top 10 for "plumber" in that city.
Top 10 covered.
Average share of each city's Maps top 10 the engine named at least once.
Answer length.
Average words per answer.
Names / answer.
Average businesses named per answer.

03What stood out

Plain readings of the numbers above.

Not found on Maps

25 of 460 picks (5.4%) had no matching Google Maps listing after two searches. Gemini accounted for 13.

AI and Maps disagree

Only 12% of AI picks rank in the Google Maps top 10 for "plumber". Across 5 cities, 16 of 50 Maps top-10 listings were named by any engine.

Long answers, more names

Gemini wrote the longest answers (about 389 words) and named 13.1 businesses per answer on average. More names came with more misses.

Names we couldn't find, by engine

Claude

Every pick matched a listing.

Perplexity

  • Austin Water Dispatch (Austin)
  • Blueline Service Co. (Nashville)
  • Cooper Green Team (Denver)
  • Trino’s Plumbing LLC (Austin)

Gemini

  • Austin's Best Plumbing LLC (Austin)
  • Austins Best Plumbing LLC (Austin)
  • Baloos Plumbing (Nashville)
  • Daniel's Plumbing and Air Conditioning (Austin)
  • Do It Right Plumbing, Inc. (Phoenix)
  • Happy Hiller (Nashville)
  • Kodiak Pro Plumbing (Nashville)
  • Reliant Plumbing of Lakeway (Austin)
  • Tom Leach Plumbing (Austin)
  • Trino's Plumbing LLC (Austin)
  • Water Heater Man, Inc. (Denver)

ChatGPT

  • A+ Plumbing (Austin)
  • Columbus Plumbing & Drain (Columbus)
  • Denver Pro Plumbing (Denver)
  • Nashville's Plumbing Repair (Nashville)
  • Plumbing Denver & Drain Clean Expert (Denver)
  • Prime Peak Plumbing (Denver)
  • Start 2 Finish Plumbing (Columbus)
  • SummitFlow Plumbing (Nashville)

“Not found” means two Google Maps searches in that city returned no listing with a matching name. The business may be renamed, closed, unlisted, or made up. See the methodology.

For business owners

Want to know what AI says about you? See why you're missing.

Rank.ai asks ChatGPT, Gemini, Claude and Perplexity about your business, shows where you stand against the names they pick, and tracks your spot every week.