Walmart's Q1 Earnings Call Just Confirmed That Sparky Is Working

Walmart's Q1 FY2027 earnings call on May 21, 2026 delivered a very clear AI commerce ROI disclosure. CEO John Furner confirmed that customers using Sparky, Walmart's AI shopping agent, have an average order value approximately 35% higher than customers who do not use the tool. Weekly active users grew more than 100% in just the last quarter alone.

The 35% order value differential is commercially significant at Walmart's scale. The company serves approximately 280 million customers and members globally every week.

A 35% lift in average order value across a rapidly growing Sparky user base represents a material revenue impact, and a direct commercial case for the AI investment Walmart has been making across its shopping experience.

"Sparky is becoming more useful by the day," Furner said in his prepared remarks. "You can now use Sparky in stores and automatically reorder items you have on repeat. Sparky even speaks Spanish these days. And as we've mentioned before, customers using Sparky have an average order value that's about 35% higher than non-Sparky customers."

What Is Driving Sparky's Growth

David Guggina, President and CEO of Walmart US, provided the most detailed Sparky update on the call, and the most striking single metric was the acceleration in units purchased.

Units purchased through Sparky grew more than 4x compared to the previous quarter. That rate of acceleration reflects a product that is not just growing its user base but deepening its engagement with existing users.

Guggina attributed the acceleration to a deliberate expansion of Sparky's capability set. Early in Sparky's life, he noted, engagement was concentrated around general merchandise discovery. Customers who use the agent to find products across categories like electronics, apparel, and home goods.

As Walmart added personalized replenishment, meal planning, and more intelligent recommendations based on inventory positioning and delivery speed capabilities, usage shifted.

"We're increasingly seeing customers use Sparky for everyday essentials like food and consumables," Guggina said. "And as a result, units purchased through Sparky have grown more than 4x since the previous quarter."

General merchandise is a higher-margin category for Walmart, but food and consumables drive visit frequency, the metric that underpins membership value and customer lifetime engagement.

An AI agent that now serves both functions is compounding value across Walmart's two most important revenue dimensions simultaneously.

Sparky is now live across the app, web, and in-store experiences. New capabilities added include automatic reorder for repeat items, Spanish language support, and in-store accessibility, extending the agent beyond digital-first customers to the full breadth of Walmart's shopper base.

AI Native Across the Enterprise

Apart from the Sparky disclosures, Furner talked about a broader AI narrative on the call. "We're also becoming AI native," he said. "Using AI, we can now serve customer needs that previous technologies could not meet."

Walmart's AI investment in 2026 extended Sparky intelligence and response quality by 40%, a measure of how much the underlying model has improved in accuracy, relevance, and usefulness over the course of the year.

Beyond the shopping experience, AI is running across Walmart's supply chain and fulfillment operations. Furner said investments in data powered by AI are improving how the company positions inventory, makes fulfillment decisions, and serves customers and members in real time.

Approximately half of eCommerce fulfillment center volume in Walmart US is now automated. More than 60% of stores are receiving freight from automated distribution centers, with more than half of regional distribution centers in various stages of being retrofitted.

CFO John David Rainey also disclosed that AI features are helping Walmart's advertising business dynamically adjust content mix to optimize campaign performance, a capability that contributed to the advertising business growing 36% in Walmart US for the quarter.

The Broader Retail AI Context

Walmart's Sparky disclosures place the company alongside Lowe's, which disclosed on its Q1 2026 earnings call on May 20, 2026 that customers using Mylow, its AI shopping assistant, convert at triple the rate of non-users, as one of the few major retailers disclosing specific, measurable AI commerce ROI figures from production deployments.

The pattern emerging across retail earnings calls this season is consistent: the retailers that moved earliest and most deliberately on AI shopping assistants are now disclosing conversion and order value metrics that justify the investment. The retailers that have not yet made that move have no equivalent data to share.

Walmart's Q1 FY2027 results, constant currency sales growth of nearly 6%, eCommerce growth of 26%, and transaction growth in the US that Furner described as the strongest in six quarters, provide the financial backdrop against which those AI metrics land. Sparky is a production system delivering measurable results at the world's largest retailer.