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Walmart Dumps OpenAI Checkout, Plugs Sparky Into ChatGPT
Walmart pivots from failed OpenAI Instant Checkout to embed Sparky across ChatGPT and Gemini
PUBLISHED: Wed, Mar 18, 2026, 6:51 PM UTC | UPDATED: Wed, Mar 18, 2026, 7:00 PM UTC
5 mins read
Walmart scrapped OpenAI's Instant Checkout feature after poor performance and is embedding its Sparky chatbot into ChatGPT and Google Gemini instead, according to Wired
The pivot gives Walmart control over customer data and shopping experience while tapping into ChatGPT and Gemini's combined 300+ million user base
OpenAI's first major retail checkout failure exposes tensions between AI platforms wanting transaction control and retailers protecting customer relationships
The move could set a template for how enterprise brands approach AI partnerships—own the agent, rent the distribution
Walmart is pulling the plug on OpenAI's Instant Checkout feature after it failed to gain traction, and instead is embedding its homegrown Sparky chatbot directly into ChatGPT and Google Gemini. The strategic reversal marks one of the first public failures in the agentic AI shopping race and signals a major shift in how retailers are approaching AI partnerships. Rather than letting AI platforms control the checkout experience, Walmart is keeping the keys to its customer data while riding on the massive user bases of consumer AI apps.
Walmart just rewrote the playbook on AI shopping partnerships. After months of quietly testing OpenAI's Instant Checkout feature, the retail giant decided it wasn't working and flipped the entire relationship on its head. Instead of letting OpenAI handle transactions inside ChatGPT, Walmart is now plugging its own Sparky chatbot directly into ChatGPT and Google Gemini, keeping full control of the shopping experience while accessing hundreds of millions of potential customers.
The original vision sounded promising. OpenAI pitched Instant Checkout as a seamless way for ChatGPT users to buy products without leaving the conversation. But according to sources familiar with the partnership, the feature struggled with accuracy issues and couldn't match Walmart's internal shopping tools. Customers complained about wrong items appearing in their carts, and conversion rates fell well below what Walmart sees through its own channels.
"We learned that our customers want consistency across every touchpoint," a Walmart spokesperson said in a statement. The company didn't share specific performance metrics, but the decision to completely restructure a partnership with the hottest name in AI speaks volumes about how the tests went.
Sparky, Walmart's in-house shopping assistant, has been live on Walmart.com and the mobile app since early 2025. Built on a combination of proprietary retail data and third-party language models, Sparky handles everything from product recommendations to substitution suggestions when items are out of stock. Now it's getting embedded as a plugin across both ChatGPT and Gemini, meaning users of either platform can invoke Walmart's shopping agent without OpenAI or Google touching the actual transaction.
The technical architecture matters here. When someone asks ChatGPT to "find me the best deal on paper towels," the request will route to Sparky, which searches Walmart's inventory, presents options, and processes the order—all while living inside the ChatGPT interface. OpenAI gets exposure and potentially a referral fee, but Walmart owns the customer data, the transaction, and the post-purchase relationship.
This represents a fundamental tension emerging in enterprise AI partnerships. Platform companies like OpenAI and Google want to become the universal interface layer where commerce happens seamlessly. But retailers spent decades building customer relationships and have zero interest in becoming interchangeable product catalogs inside someone else's app.
Amazon has stayed conspicuously quiet about integrating Alexa with third-party AI assistants, presumably for the same reason. Target reportedly turned down a similar OpenAI partnership last year. The pattern is clear—big retailers want distribution through AI platforms but refuse to hand over the checkout.
For OpenAI, this has to sting. The company has been pushing hard into commerce partnerships as it searches for revenue streams beyond ChatGPT subscriptions and API access. Instant Checkout was supposed to prove that AI assistants could directly generate transactions, not just answer questions. Walmart was the marquee partner, and if it couldn't make the feature work with America's largest retailer, the entire agentic shopping thesis gets shakier.
Google faces a different calculation. The company already has deep shopping integrations through Search and Shopping ads, so Gemini hosting third-party shopping agents doesn't threaten its core business model. If anything, making Gemini more useful for commerce keeps users inside Google's ecosystem longer.
The new Sparky integration is rolling out starting this week to ChatGPT Plus and Gemini Advanced subscribers, with free tier access coming later this spring. Walmart says it's also in discussions with Anthropic about bringing Sparky to Claude, suggesting the retailer views AI assistants as distribution channels rather than technology partners.
Early tests show promising engagement. Internal data from Walmart's pilot program indicates users who access Sparky through ChatGPT complete purchases at roughly 70% of the rate of those using Walmart.com directly—far better than the Instant Checkout conversion numbers. The key difference appears to be trust. Customers recognize they're interacting with Walmart's agent, even inside another app.
The shift also reveals how quickly the AI partnership landscape is maturing. A year ago, brands were desperate to get integrated into ChatGPT any way possible. Now they're negotiating from a position of strength, understanding that AI platforms need compelling use cases as much as enterprises need distribution.
What remains unclear is the revenue split. Neither Walmart nor OpenAI would discuss financial terms, but industry sources suggest Walmart is paying a flat API fee rather than sharing transaction revenue—another sign of who has leverage in this relationship.
Walmart's decision to scrap OpenAI's checkout feature and embed Sparky across multiple AI platforms instead establishes a new template for enterprise AI partnerships—own the customer experience, rent the distribution. As agentic AI shopping moves from hype to reality, the companies that control the transaction will be the ones that win, not necessarily the ones with the flashiest language models. For retailers watching this space, the message is clear: build your own agent, then plug it everywhere. For AI platforms, the failure of Instant Checkout is a warning that becoming the universal commerce layer won't be as easy as it looked six months ago.
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