Amazon’s "AI" checkout relied on 1,000 workers in India

Amazon's futuristic "Just Walk Out" technology promised a world where you could grab groceries off the shelf and stroll out the door, letting cameras and AI do the rest.

It turns out there was another secret ingredient in that secret sauce: about 1,000 workers in India watching your every move on camera.

The thousand-person invisible checkout line

According to a report from The Information, the cashierless system was far more human-powered than Amazon ever let on. In 2022, roughly 700 out of every 1,000 Just Walk Out transactions had to be manually reviewed by the India-based team.

Amazon's internal goal was supposedly just 50 reviews per 1,000 sales. Missing that mark by an order of magnitude meant human moderators were practically running a remote checkout lane.

Amazon disputed the report, telling Business Insider that the India team primarily trains the computer vision models and only steps in to validate a tiny minority of purchases when the algorithm lacks confidence.

Still, the revelation lands at an awkward moment. Amazon is currently in the process of tearing Just Walk Out tech out of its Amazon Fresh grocery stores.

Fresh retreats to the smart cart

Instead of full-ceiling computer vision, Amazon is pivoting Fresh stores to Dash Carts. These are smart shopping carts that scan items as you drop them in, tallies your receipt on a built-in screen, and automatically charges your card when you exit.

Just Walk Out originally debuted in compact Amazon Go convenience stores, where tracking shoppers was relatively straightforward. But expanding it to massive formats proved brutal.

Amazon rolled the tech into 27 of its 44 Amazon Fresh locations and even brought it to select Whole Foods spots. Startups have also been pitching similar tech to chains like Aldi and Dollar General.

According to Amazon, customers at full-sized grocery stores actually prefer the cart. They want to track their spending in real time and see discounts as they shop, which invisible ceiling cameras simply could not deliver.

Why it matters

We think this pull-back exposes the stark reality behind one of tech's flashiest illusions: the "AI" that is secretly powered by low-wage remote labor.

For shoppers, the magic of walking out feels significantly less sci-fi when you realize an actual person on another continent is reviewing security footage to see whether you picked up a lime or an avocado. But beyond the PR embarrassment, Amazon's pivot to Dash Carts looks like the right call.

Covering a 40,000-square-foot grocery store with thousands of cameras and sensors is wildly expensive to build and hellish to maintain. Scale broke the model. When edge cases pile up across tens of thousands of grocery SKUs, edge computing fails, and human verification costs explode.

By contrast, smart carts constrain the problem. Sensors only have to monitor what drops inside a small basket, the hardware costs are tied directly to cart volume, and shoppers get the transparency of a running total. For the broader retail industry, the lesson is clear: fully autonomous physical environments remain an expensive fantasy, but targeted, cart-level automation is a practical reality you can actually ship today.