McDonald’s Pricing Algorithm Faces Antitrust Challenge Over Higher Menu Costs

McDonald’s is facing a federal lawsuit over an AI-powered pricing system that prosecutors say helped raise menu prices across the company’s independent franchise restaurants. The case argues that the system allowed competing locations to share private sales and pricing information, creating an antitrust problem for one of America’s largest fast food chains.
The lawsuit was filed in a federal Chicago courtroom on October 2, 2026, by Michael Thomas, an Illinois man. Multiple lawsuits now target McDonald’s over its use of algorithmic pricing, with claims that the company conspired with independent franchisees to fix prices through algorithms trained on data those businesses would not normally share.
What the lawsuit says about McDonald’s AI pricing
McDonald’s built its own information-sharing pricing platform to draw on data from millions of daily transactions. The system uses that information to help set menu prices across thousands of restaurants in the United States, including locations run by independent franchise owners.
The complaint says the pricing tool collects store-level sales and other nonpublic information from competing franchises. Those locations might compete for the same customers in the same market, but the lawsuit argues that McDonald’s platform gave them access to shared data that would otherwise remain private.
That data-sharing arrangement sits at the center of the antitrust claims. The lawsuit says McDonald’s violated federal antitrust law by working with independent franchisees to fix prices through an AI-enhanced system. In this view, the concern is not only that software helped recommend prices, but that the software relied on information gathered from businesses that compete with one another.
The complaint describes the system in pointed terms: “This case is about McDonald’s bringing ‘optimization’ to America’s largest fast food chain.” It also blames the pricing system for raising McDonald’s U.S. prices, linking the company’s use of artificial intelligence to a broader rise in what customers pay for menu items.
Customers feel the pressure as algorithmic pricing spreads
The average price of a McDonald’s menu item increased about 40% between 2019 and 2024. The lawsuit says the pricing system played a role in that increase, though the case will have to establish how the tool operated and whether its use broke federal law.
McDonald’s has rejected the claim that artificial intelligence sets prices at its restaurants. A company spokesperson said, “AI does not set menu prices at McDonald’s restaurants – McDonald’s franchisees do.” That response places responsibility for final pricing with the independent owners who operate the restaurants.
The legal dispute reflects a larger fight over how companies use software to coordinate prices. At least 90 pieces of legislation have been filed across the country to push back against algorithmic price-fixing. Those efforts show how concerns about automated pricing now reach beyond one restaurant chain and into questions about competition, private data, and consumer costs.
For customers, the practical issue is simple: whether a higher price comes from a franchise owner, a corporate platform, or an algorithm trained on shared data. The lawsuit argues that those pieces cannot be separated when the company built a system that connects transaction information across thousands of locations.
Why the franchise structure matters
McDonald’s franchise model makes the case more complicated than a dispute over prices set by one central office. Independent franchisees run individual locations, yet the company deployed a platform that uses information from across the network. Prosecutors say that arrangement let franchisees exchange nonpublic price and sales data through McDonald’s system.
Some McDonald’s franchise owners have also been pressured by the company to use AI pricing tools, adding another issue to the lawsuits. The claim raises questions about how much control independent owners had over adopting the platform and how much freedom they retained when setting prices.
Reports about the case carried different filing dates. The lawsuit was identified as being filed on October 2, 2026, while one account described it as filed on Friday, October 6, 2026. Coverage dated October 5, October 6, and October 7, 2026, focused on the allegations and the use of AI pricing tools by McDonald’s and its franchisees.
Dee-Ann Durbin has reported on the lawsuits, while Lindsay Owens, head of Groundwork Collaborative, is also connected to the debate over algorithmic price-fixing. McDonald’s customers Chukwama Okeke in Manhattan and Beatriz Milander in the Bronx are among the people named in connection with the company’s pricing story.
The case will test whether using private information through an AI pricing platform crosses the line from business analysis into illegal coordination. As more companies use algorithms to guide prices, the answer could shape how businesses share data and how customers experience the cost of everyday purchases.
Based on
- McDonald’s sued for allegedly using AI tool to determine pricing for franchises — theguardian.com
- McDonald’s sued over AI pricing tool accused of raising menu prices – Los Angeles Times — latimes.com
- McDonald’s sued over AI-enhanced pricing tool | AP News — apnews.com
- McDonald’s sued over AI tool that recommends prices to US franchisees – The Washington Post — washingtonpost.com
- McDonald’s hit with class action over menu prices | Reuters — reuters.com




