Four US nonprofit organizations have filed a lawsuit in San Francisco Superior Court against OpenAI, Anthropic, Google, Meta, and SpaceX AI, seeking to halt the development of frontier AI models. The plaintiffs—Irreplaceable Education Fund, Public Citizen, Heat Initiative, and Alliance for Secure AI—are not pursuing monetary damages but are requesting a court-ordered pause on training and deployment of next-generation models until the defendants demonstrate their technology remains under human control. The complaint relies heavily on public statements made by executives at the named companies, who have repeatedly warned that advanced AI poses civilizational-scale risks. Despite these warnings, the plaintiffs argue, the companies continue to accelerate research, development, and commercialization of increasingly powerful models without adequate safety guarantees.