Anthropic, the AI lab behind Claude, has filed confidentially for an initial public offering, the company said in a blog post Monday. The company, which is valued at close to $1 trillion, submitted a draft registration statement to the U.S. Securities and Exchange Commission for a proposed initial public offering. Anthropic has yet to list the number of shares or set the price. Anthropic said the proposed initial public offering will depend on market conditions and other factors. The filing