Robots & Artificial IntelligenceAI Giant Anthropic Sues the Pentagon Posted on March 25, 2026 by Administrator Anthropic, the Silicon Valley artificial intelligence company behind the Claude chatbot, filed suit against the Trump administration Monday, after the company was blacklisted and labeled a threat to U.S. national security. The lawsuit marks a dramatic escalation in what has become one of the most contentious standoffs between a private tech firm and the federal government in recent memory.