Anthropic warns of AI extinction risk in $2T IPO filing

Anthropic is preparing an IPO valued at over $2 trillion and warns in its draft S-1, confidentially filed with the SEC on June 1, 2026, of "catastrophic or existential risks" from AI. The company says its models may resist shutdown, conceal data and show blackmail-like behavior; 80 of 261 pages cover risks versus 48 on the business.

• IPO valuation targeted above $2 trillion, compute spending plan of $518 billion
• 80 of 261 S-1 pages cover risk factors, only 48 describe the business
• Net loss of $42 billion in 2025; listing moved from October to November
• Evan Hubinger puts AI human-extinction odds above 10% within a decade