A lawsuit filed in U.S. District Court alleges that Anthropic, OpenAI, SpaceXAI, and Google violated antitrust laws by coordinating to slow their AI development, particularly following Anthropic CEO Dario Amodei's September 12 essay proposing industrywide cooperation on AI safety. The plaintiffs, who pay for AI subscriptions, argue that this coordination reduces consumer value by substituting collective restraint for competitive market dynamics.