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ANTHROPIC. The Anthropic logo is seen in this illustration taken May 20, 2024.

Dado Ruvic/Reuters

Anthropic, which operates AI chatbot Claude, last raised $65 billion at a post-money valuation of $965 billion in late May, putting it ahead of rival OpenAI

Anthropic said on Monday, June 1, it had confidentially filed for its US initial public offering, as the AI heavyweight looks to beat archrival OpenAI to the IPO market.