#4
of 50 stores measured
The index › the United States › Pet supplies › Costco
Costco in the Krillo Index
When shoppers in the United States ask ChatGPT and Gemini where to buy pet supplies, is Costco named? This is the answer from our latest monthly measurement, November 2026.
7/35
buying questions where AI names it; the category median is 0
5
questions where AI recommends it outright
Measured with ChatGPT and Gemini, the same questions for every store in this category, asked in the language of the market. Read how we measure.
Around Costco
See the full ranking for Pet suppliesWhat AI says about Costco
In the 11 answers that name Costco, AI mentions: premium (3x), trusted (1x), wide range (1x), low prices (1x), quality (1x).
“…https://www.target.com - Costco, Useful for bulk litter and multipacks of toys if you have a membership.”
ChatGPT, asked: where can I buy cat toys and litter online in the US?
“Costco / Sam’s Club, especially for bulk pet food, treats, and litter, often through their websites or membership delivery services.”
ChatGPT, asked: where do Americans usually buy their pet supplies online?
“For most shoppers: check Walmart for the lowest everyday total, then compare Chewy Autoship and Costco’s per-pound price. Include shipping, membership fees, and whether the “first Autoship” discount applies before deciding.”
ChatGPT, asked: which US online store sells dog food at the lowest prices?
Quoted word for word from the answers in our measurement. What AI says about your store decides which buying questions it names you for.
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