Amazon Go stores use computer vision and sensor fusion to automatically detect items customers pick up and charge them upon exit, eliminating the need for a human cashier entirely in hundreds of locations.

Walmart has deployed self-checkout kiosks with AI-assisted item recognition that can identify produce by visual scanning rather than requiring manual PLU code entry, reducing cashier involvement in the checkout process.

Standard AI deploys overhead camera systems with machine learning to track items in shopping carts and process payments autonomously, currently operating in grocery and convenience stores as a cashier replacement system.