Anthropic has filed for an initial public offering with a valuation of more than $1.5 trillion. The company's IPO prospectus indicates strong revenue growth and large expenditures on computing infrastructure. The market debut is expected to be monitored closely, with analysts considering the potential impact on AI advancements. The prospectus notes steady revenue increases and large investments in computing, which could affect the company's profitability. The filing is part of a broader trend in the tech sector, with many companies seeking to capitalize on the growing AI market.