Anthropic and OpenAI prepare $60B IPOs with $965B and $852B valuations

Anthropic filed confidentially for an IPO targeting $60 billion at a $965 billion valuation. OpenAI reportedly prepared a draft for a $60 billion raise at $852 billion. SpaceX's launch-and-AI vehicle aims for a $1.75 trillion listing. The filings mark the most concentrated capital raise since dot-com peak. Investors face scrutiny over AI's bioweapon design risks as AI CEOs warn Congress.