McKinsey's 2024 Global Survey on AI reveals that 65% of respondents report that their organisations are regularly using generative AI (gen AI), nearly double the percentage from last year's survey. The research reveals that organisations are already seeing material benefits from gen AI use, reporting both cost decreases and revenue jumps in the business units deploying the technology. The survey provides insights into the risks presented by these technologies - most notably, inaccuracy - as well as the emerging practices of top performers to mitigate those challenges and capture value.