#13
of 58 stores measured
The index › the United States › Lighting › Costco
Costco in the Krillo Index
When shoppers in the United States ask ChatGPT and Gemini where to buy lighting, is Costco named? This is the answer from our latest monthly measurement, November 2026.
6/35
buying questions where AI names it; the category median is 1
1
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 LightingWhat AI says about Costco
In the 7 answers that name Costco, AI mentions: quality (2x), low prices (2x), specialist (1x), wide range (1x), trusted (1x).
“| | Costco | Generally has a very generous return policy, including many online purchases.”
ChatGPT, asked: Where can I buy light fixtures online in the US and get free returns?
“Costco (Online) While Costco’s online lighting selection is smaller, they carry high-quality pendant packs, modern vanity lights, and smart fixtures.”
Gemini, asked: Where can I buy light fixtures online in the US and get free returns?
“So: Lamps Plus for a specialist lighting website; Costco for the most forgiving overall retailer policy. Check the exact item’s return terms before buying, particularly for oversized chandeliers and custom finishes.”
ChatGPT, asked: Which American website for lighting has the easiest return policy?
Quoted word for word from the answers in our measurement. What AI says about your store decides which buying questions it names you for.
Is this your store?
See the buying questions where AI names someone else instead of you, and what to change. Free, no account.
See the questions I loseIs this your store and do you want it out of the index? Email hello@krilloai.com and we remove it the same day.