Robert Hu
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Walmart Sparky AI Gets Ads: What Sponsored Prompts Mean for Sellers

Robert Hu··6 min read
Walmart Sparky AI shopping assistant with Sponsored Prompts ad format for brands and sellers

Updated February 2026

Walmart is testing advertisements inside Sparky, its AI-powered shopping assistant. The new format, called Sponsored Prompts, lets brands pay to have their products mentioned when relevant topics arise in AI shopping conversations. This is the first major move by a top retailer to monetize conversational AI, and it sets the precedent for how AI shopping assistants will generate revenue across the industry.

Walmart Connect, the company's advertising business, generated over $3.4 billion in ad revenue in 2024 with 30%+ year-over-year growth. As shopping shifts from keyword search to AI-driven conversation, Sponsored Prompts represent Walmart's strategy for keeping that ad revenue growing.

What Is Walmart Sparky and How Does It Work?

Sparky is Walmart's AI shopping assistant, launched in June 2025 and embedded directly in the Walmart mobile app. Instead of typing keywords and scrolling through hundreds of results, shoppers have natural conversations about what they need. You can ask Sparky something like "I need a birthday cake for a 5-year-old's party with 20 kids" and it considers your location, dietary preferences, budget, and past purchases to recommend specific products.

The assistant works through natural language, understands context across a conversation, personalizes recommendations based on your history, and supports multi-turn dialogue so you can refine your search through back-and-forth conversation.

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What Are Sponsored Prompts and Why Do They Matter?

Sponsored Prompts are a new ad format Walmart is testing inside Sparky's conversational interface. While the full details have not been made public, the concept introduces advertising into AI-driven shopping conversations. This is fundamentally different from traditional e-commerce advertising, where sponsored listings appear at the top of search results with clear labels.

In a conversational interface, the challenge is integrating paid placements without disrupting the natural flow of dialogue. I've spent over 20 years in e-commerce and I see this as one of the most significant shifts in retail advertising since the rise of Amazon Sponsored Products.

Several potential formats are being explored:

Ad FormatHow It WorksPotential Issues
Sponsored SuggestionsSparky prioritizes advertiser products in initial recommendationsCould feel manipulative if not clearly labeled
Branded Follow-upsAfter organic results, Sparky mentions a sponsored brandInterrupts natural conversation flow
Category SponsorshipsBrands sponsor entire product categoriesLess transparent, harder for users to spot
Prompt SuggestionsBrands bid on suggested prompts before you typeInfluences what questions users ask

The Consumer Perspective: Help or Hype?

The success of Sponsored Prompts depends entirely on whether they feel helpful or intrusive. Shoppers want genuine recommendations, clear disclosure when content is sponsored, value-first experiences where ads enhance rather than detract, and the ability to filter out sponsored content if they choose.

The most successful AI shopping ads will be those that feel like helpful suggestions rather than pushy sales pitches. If Sparky starts feeling like a salesperson rather than an assistant, users will lose trust quickly. In traditional search, sponsored listings work because they are relevant and clearly marked. The challenge with conversational AI is maintaining that clarity while preserving natural dialogue.

The Broader AI Commerce Landscape

Walmart is not alone in exploring AI-powered shopping. Amazon has Rufus for natural language product discovery. Google Shopping integrates AI-powered recommendations into search results. Shopify is partnering with AI providers for conversational commerce. Startups like Perplexity are building AI shopping experiences from scratch.

As these platforms compete for shopper attention, advertising will play a role. The question is not whether AI shopping will be monetized through ads, but how it will be done in a way that respects user trust and delivers genuine value.

How Should Brands Prepare for AI Shopping Ads?

For brands selling on Walmart and other major platforms, AI shopping assistants represent both opportunity and challenge. The traditional SEO and PPC playbook will not translate directly to conversational AI. Brands need to think about "AI optimization" as a new discipline.

Key actions for sellers:

  • Optimize product data for AI: Detailed descriptions, complete attributes, and strong reviews make products more discoverable in AI conversations
  • Explore paid placement: Test Sponsored Prompts and similar formats as they become available
  • Consider brand voice: Think about how your products will be described when an AI assistant recommends them
  • Track new metrics: New KPIs will emerge for measuring AI-driven sales that differ from traditional click-through rates

Regulatory Considerations

As AI shopping ads evolve, regulatory scrutiny is inevitable. The FTC has already issued warnings about AI shopping assistants, emphasizing that companies must clearly distinguish between organic recommendations and paid placements. Applying traditional advertising disclosure rules to conversational interfaces presents new challenges, and updated guidance is likely as these technologies mature.

Looking Ahead

Walmart's Sponsored Prompts experiment is a pivotal moment in e-commerce evolution. The advertising models that fund AI shopping experiences will shape how we all shop online. The retailers that balance monetization with user experience will win. Push too hard on advertising and shoppers abandon your assistant. Hold back too much and you cannot justify the investment.

The future of shopping is conversational, personalized, and AI-powered. Now we are about to find out how advertising fits into that picture.

If you are navigating how AI and retail media changes affect your brand, an e-commerce strategy consultation can help you prepare. For more on how Walmart is executing across digital, see the breakdown of Walmart's grocery e-commerce growth streak.

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