Anthropic Tops OpenAI to Become the World’s Most Valuable A.I. Start-Up

Anthropic raised $65 billion in new fund-raising that put its value at $900 billion, ahead of OpenAI’s last valuation of $730 billion, as the companies duel for A.I. dominance.
Anthropic Tops OpenAI to Become the World’s Most Valuable A.I. Start-Up
Mike Isaac and Cade Metz May 29, 2026
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Anthropic finalises $65bn funding deal to surpass OpenAI’s valuation