McKinsey’s years of work in artificial intelligence had us well prepared as generative AI dominated the conversation in 2023. Our early estimate is that generative AI (gen AI) could add $4.4 trillion to the global economy annually, with most of the value coming from just a handful of business functions. “The next question,” asked Alex Singla, McKinsey senior partner and global leader of QuantumBlack, AI by McKinsey, “is how will companies take the next step?”