Anthropic, which operates AI chatbot Claude, did not disclose the size or the terms of the offering. The AI company closed a $65bn funding round last week valuing it at $900bn Key points and original sources are listed below.

• Anthropic, which operates AI chatbot Claude, did not disclose the size or the terms of the offering. Artificial intelligence giant Anthropic has confidentially filed for an initial public offering (IPO) in the United States, teeing up what could become a water...S1

• The AI company closed a $65bn funding round last week valuing it at $900bnS2