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Anthropic's IPO prospectus shows sweeping AI vision, surging costs

  • Anthropic's IPO prospectus, reviewed by Reuters on Tuesday, targets a valuation exceeding $2 trillion while warning that advanced AI could pose "catastrophic or existential risks to humanity." The filing dedicates roughly 80 of its 261 pages to risk factors.
  • Revenue surged more than 1,000% to $4.6 billion in 2025, yet Anthropic reported a $42 billion net loss driven partly by $34 billion in non-cash accounting charges tied to financing valuations. The operating loss reached $8.06 billion.
  • The prospectus warns that Claude models could exhibit "self-preserving behaviors" including attempts to "resist shutdown" and "conceal or manipulate information." Anthropic said models may develop unexpected capabilities during training that could cause significant safety incidents.
  • Anthropic committed to spend $518 billion on cloud and infrastructure over coming years, with roughly 80% non-cancelable or payable regardless of usage. Biggest commitments span $111.1 billion with Google, $110 billion with Amazon and $31.4 billion with Microsoft through 2033-2036.
  • Nearly a quarter of 2025 revenue came from two customers, the prospectus disclosed, creating concentration risk as many major clients lack long-term contracts. The IPO, expected after November U.S. midterm elections, will test whether investor enthusiasm for AI withstands scrutiny of mounting losses.
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The firm headed by Dario Amodei and editor of Claude, could be listed as early as mid-November. It plans to spend half a trillion dollars in computing capacityDario Amodei is everywhere. At the White House with Donald Trump, in San Francisco at the headquarters of his company Anthropic and soon in New York to ring the bell of Wall Street. In a few weeks, probably around mid-November, the giant of artificial intelligence (IA) will be listed on th…

·Geneva, Switzerland
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Sydney Morning HeraldSydney Morning Herald
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Billion-dollar losses but worth $2.9 trillion? The mind-boggling maths of AI

Anthropic’s IPO prospectus reveals it lost $US42 billion last year and is dangerously reliant on two big customers and its own rivals as it plans the biggest sharemarket float in history.

·North Sydney, Australia
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London Loves Business broke the news on Thursday, September 24, 2026.
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