Jamie Dimon, chief executive of JPMorgan Chase, issued a stark warning regarding the proliferation of Anthropic’s artificial intelligence models, comparing unrestricted public access to its Mythos-class systems to distributing ballistic missiles to private individuals. Speaking at the Pennsylvania Defense and Innovation Summit on Thursday, Dimon emphasized that US authorities are actively monitoring the technology to ensure strict control mechanisms are implemented before widespread deployment. His remarks were made during a panel focused on domestic investment, alongside Senator Dave McCormick, President Donald Trump, Defense Secretary Pete Hegseth, and Palantir defense chief Mike Gallagher. The caution stems from Anthropic’s development of Mythos 5, a frontier AI system recognized for its advanced capability to identify critical vulnerabilities in operating systems. Due to these potent cybersecurity risks, the company voluntarily paused public distribution in April, limiting access exclusively to vetted US government and corporate partners. While Anthropic subsequently introduced a moderated variant, Fable 5, to the general public in June, federal regulators swiftly intervened. The Department of Commerce imposed export controls shortly after launch, citing concerns that the model’s safety guardrails could be circumvented and that unrestricted foreign access posed national security threats. In response, Anthropic temporarily suspended access for all international users. The regulatory landscape shifted later that month when the Commerce Department lifted the export restrictions. On June 30, Anthropic confirmed the removal of controls and announced the immediate restoration of access to both Fable 5 and Mythos 5, attributing the reversal to successful negotiations with federal agencies on enhanced security protocols. The company expressed gratitude to users for their patience and acknowledged the collaborative effort required to meet regulatory standards. Dimon’s comments underscore the intensifying intersection between advanced artificial intelligence, corporate responsibility, and national security. As frontier models continue to demonstrate unprecedented capabilities in code generation, cybersecurity analysis, and complex reasoning, financial leaders and defense officials are increasingly advocating for rigorous oversight frameworks. The resolution of the export control dispute highlights a growing pattern of cooperative yet tightly regulated deployment strategies aimed at balancing technological innovation with systemic risk mitigation. Industry stakeholders now face mounting pressure to align model development with evolving federal guidelines to prevent misuse while preserving competitive advantage in the global AI race.