Anthropic has filed IPO paperwork, adding a public-markets route to its funding strategy after finalizing a $35 billion financing package from Apollo Global Management Inc. and Blackstone Inc. to expand AI infrastructure. The company is also reported to be easing tensions with the White House as it advances IPO plans, underscoring how government relations may matter more for AI firms preparing for public listings and tighter oversight. Together, the developments highlight intensifying competition for capital, computing capacity, investor attention and policy positioning among leading AI companies including OpenAI.