Key Takeaways* Anthropic's IPO could set the benchmark for other AI companies that follow it.* The startup's public debut would test investor appetite for AI amid concerns about bloated valuations. And its filing would offer a look under the financial hood of a well-known chatbot company.Here come the big AI IPOs. (Maybe.)Anthropic, maker of the Claude chatbot, is preparing for an initial public offering that could come next year, according tothe Financial Times.The company is also said to be in talks ...