Florida Sues OpenAI and Sam Altman Over Alleged ChatGPT Risk Cover-Up

Florida's Attorney General has filed a lawsuit against OpenAI and its chief executive Sam Altman, accusing the company of systematically concealing known risks associated with ChatGPT. The civil complaint, lodged in a Tallahassee circuit court on Thursday, alleges that OpenAI marketed its AI products as safe while internal research warned of potential harms including misinformation generation, privacy violations, and psychological manipulation. The legal action marks one of the most aggressive regulatory moves against a major AI company by any U.S. state to date.

Allegations in the Florida Complaint

The lawsuit claims OpenAI knew about so-called "hallucination" problems in its large language models as early as 2022, yet continued marketing ChatGPT to businesses and consumers without adequate warnings. Florida's legal team argues the company prioritised commercial expansion over transparency, creating what the complaint describes as a "systematic pattern of deceptive practices." The state is seeking injunctive relief, civil penalties, and restitution for Florida residents who may have been misled about the technology's limitations.

Specifically, the complaint references ChatGPT's tendency to generate plausible but false information, which Florida's prosecutors argue could harm businesses relying on the tool for research, legal work, or customer service. The state also raises concerns about data handling practices, alleging OpenAI collected user information beyond what users understood or consented to during normal interactions with the chatbot.

OpenAI's Public Response

The company rejected the allegations in a statement released to technology media, asserting that OpenAI has consistently published safety documentation and engaged with regulators worldwide. "We have been transparent about both the capabilities and limitations of our technology," the statement read. "We will vigorously defend against what we believe to be a mischaracterisation of our practices."

Sam Altman, who has testified before Congress and engaged with multiple government bodies on AI safety, has not responded directly to media enquiries about the Florida lawsuit. The company's public relations team pointed to extensive research publications and safety commitments as evidence of good-faith efforts to address potential harms. However, Florida's legal team argues that publishing research in academic venues differs from providing actionable warnings to everyday users of ChatGPT.

Regulatory Landscape Shifts

The Florida action arrives amid escalating scrutiny of artificial intelligence companies across the United States. At least seven other states have launched investigations or drafted legislation targeting AI developers, though Florida's lawsuit represents the first formal civil complaint against a company of OpenAI's size and market influence. Industry analysts view the legal action as a potential turning point that could reshape how AI companies disclose risk information to consumers and regulators.

Federal agencies have also increased pressure on AI developers. The Federal Trade Commission opened an investigation into OpenAI's data practices last year, while the Commerce Department's National Institute of Standards and Technology has published voluntary safety frameworks that many in the industry consider inadequate. Florida's lawsuit may force courts to define what disclosure obligations AI companies actually have under existing consumer protection statutes.

Market and Investor Reaction

OpenAI's corporate investors include Microsoft, which has committed approximately $13 billion to the company and integrated ChatGPT technology across its product suite. News of the Florida lawsuit sent Microsoft shares lower by 2.3 percent in after-hours trading on Thursday, while other AI-adjacent stocks including Alphabet and Amazon also dipped marginally. Market analysts noted that legal uncertainty around AI liability could affect valuation models for the entire sector.

The lawsuit raises questions about potential exposure for Microsoft's heavy investment in OpenAI, given that the technology company operates under a complex governance structure. Some corporate governance experts have suggested that depending on how liability is defined, partners and investors could face indirect consequences even if they are not named as defendants. Microsoft has not been named in the Florida complaint.

What Comes Next

OpenAI has 20 days to formally respond to the complaint, after which both parties are expected to enter discovery. Legal observers suggest the case could take 18 months to three years to resolve if it proceeds to trial, though settlement discussions often accelerate once both sides assess their litigation costs and risks. Florida's Attorney General has publicly stated the state is prepared to take the matter to appellate courts if necessary.

Several technology industry groups have already filed amicus briefs supporting OpenAI's position, arguing that expansive liability would stifle innovation and force AI companies to limit product capabilities to avoid potential legal exposure. Consumer advocacy organisations have largely backed Florida's approach, with some arguing the lawsuit does not go far enough in addressing documented harms.

Industry-Wide Implications

The Florida lawsuit establishes a precedent that other plaintiffs and regulators are likely to reference. Consumer class-action attorneys have been monitoring AI liability cases closely, and several have indicated they are prepared to file similar complaints on behalf of private plaintiffs if the state's action survives initial legal challenges. The outcome could determine whether AI companies face genuine financial consequences for alleged failures to warn users about known limitations.

Congress has been debating AI legislation for more than two years without passing comprehensive laws, leaving state-level actions to fill the regulatory vacuum. Florida's Attorney General argued in a press conference that waiting for federal action was not acceptable given the scale of potential harm already occurring. "Floridians deserve protection now, not after another round of Congressional hearings," she told reporters outside the courthouse.