Walmart's AI Prices: New Patents Spark Debate

Walmart has recently secured US patents that integrate machine learning and automated processes into its pricing strategies, sparking discussion about algorithmic price adjustments.

In January 2026, Walmart obtained a patent for a system to automatically update prices, specifically for markdowns within its e-commerce operations. This was followed last week by another patent approval for utilizing machine learning to predict demand and recommend product prices.

The Arkansas-based retailer, which has received nearly 50 US patents in 2026, is leveraging technology to enhance its retail dominance. This move comes as some state legislators are considering bills to prohibit 'dynamic pricing,' where prices fluctuate based on demand and supply signals, particularly for groceries.

Walmart has stated that these patents are unrelated to dynamic pricing. The company clarified that the January patent is exclusively for e-commerce markdowns, while the recent patent is intended as a tool for merchant teams to aid in decision-making, not for automated price setting.

While dynamic pricing is common in industries like airfare and ridesharing, its application in retail is a sensitive issue. Critics, like grocery industry consultant Matt Hamory, warn of potential damage to customer goodwill if consumers perceive pricing practices as unfairly benefiting the retailer.

Walmart, founded on the principle of 'everyday low prices,' aims to maintain consistent, competitive pricing. Despite concerns about algorithmic pricing potentially raising costs, Walmart's efficiency and purchasing power have historically allowed it to offer prices significantly lower than competitors, according to Morgan Stanley research.

The January patent details an 'end-to-end price markdown system' for e-commerce, considering factors like predicted demand and customer price sensitivity. The latter patent focuses on demand forecasting and price recommendations to facilitate stock turnover over various periods, applicable to categories ranging from food to toys.

These patent approvals coincide with Walmart's rollout of electronic shelf labels across its 4,600 US stores, a technology also facing scrutiny. A proposed bill by two US senators aims to ban these labels in large grocery stores, supported by the United Food and Commercial Workers International Union.

Critics argue these remotely updated labels could be used to confuse consumers, though the Retail Industry Leaders Association notes such fears are largely hypothetical. Walmart asserts that electronic labels simplify operations and that store prices remain consistent, aligning with its 'Everyday Low Price' promise, with updates still managed by personnel.