Anthropic, now atop the AI bubble, files for its IPO

Anthropic filed a confidential S-1 with the U.S. Securities and Exchange Commission for an initial public offering. Its latest private funding round exceeded OpenAI's valuation, making it the world's most valuable AI startup. The filing comes days after surpassing OpenAI in valuation, setting up a potential IPO showdown. No details were disclosed in the confidential filing. The move places Anthropic at the center of the AI valuation race.