Anthropic is expected to beat rival OpenAI to the public markets with a blockbuster IPO later this year despite recent doomsday warnings, but questions remain about their business models and whether regulators should step in.Anthropic is expected to beat rival OpenAI to the public markets with a blockbuster IPO later this year despite recent doomsday warnings, but questions remain about their business models and whether regulators should step in.Business[#item_full_content]