Instacart is charging different prices to different customers in a dangerous AI experiment, report says
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The grocery delivery service Instacart is using artificial intelligence to experiment with prices and charge some shoppers more than others for the same items, a new study found.
The study from nonprofits Groundwork Collaborative and Consumer Reports followed more than 400 shoppers in four cities and found that Instacart sometimes offered as many as five different sales prices for the exact same item, at the same store and on the same day.
The average difference between the highest price and lowest price on the same item was 13%, but some participants in the study saw prices that were 23% higher than those offered to other shoppers.
The varying prices are unfair to consumers and exacerbate a grocery affordability crisis that regular Americans are already struggling to cope with, said Lindsey Owens, executive director of Groundwork Collaborative.
Inflation hasn’t been this high in decades. We compiled a snapshot of prices at ten grocery chains in the L.A. area. How does your local store stack up?
“In my own view, Instacart should close the lab,” Owens said. “American grocery shoppers aren’t guinea pigs, and they should be able to expect a fair price when they’re shopping.”
The study found that an individual shopper on Instacart could theoretically spend as much as $1,200 more on groceries in one year if they had to deal with the kind of price differences observed in the pricing experiments.
At a Safeway supermarket in Washington, D.C., a dozen Lucerne eggs sold for $3.99, $4.28, $4.59, $4.69, and $4.79 on Instacart, depending on the shopper, the study showed.
At a Safeway in Seattle, a box of 10 Clif Chocolate Chip Energy bars sold for $19.43, $19.99, and $21.99 on Instacart.
Instacart likely began experimenting with prices in 2022, when the platform acquired the artificial intelligence company Eversight. Instacart now advertises Eversight’s pricing software to its retail partners, claiming that the price experimentation is negligible to consumers but could increase store revenue by up to 3%.
Consumers are switching grocery stores, brands and ingredients as they try to cope with the cost of food.
“These limited, short-term, and randomized tests help retail partners learn what matters most to consumers and how to keep essential items affordable,” an Instacart spokesperson said in a statement to The Times. “The tests are never based on personal or behavioral characteristics.”
Instacart said the price changes are not the result of dynamic pricing, like that used for airline tickets and ride-hailing, because the prices never change in real time.
But the Groundwork Collaborative study found that nearly three-quarters of grocery items bought at the same time and from the same store had varying price tags.
The artificial intelligence software helps Instacart and grocers “determine exactly how much you’re willing to pay, adding up to a lot more profits for them and a much higher annual grocery bill for you,” Owens said.
The study focused on 437 shoppers in-store and online in North Canton, Ohio; Saint Paul, Minn.; Washington, D.C., and Seattle.
Instacart shares were down more than 5% in midday trading on Wednesday and have risen 1% this year.
