In this panel discussion from the a16z LP Summit, Martin Casado and Sarah Wang delve into the current state of AI, highlighting that the AI landscape is rapidly evolving and fragmenting into distinct subspaces, each requiring its own strategy. They emphasize that AI companies are experiencing faster growth and larger scales than initially anticipated, with value accruing across all layers of the stack. They address the misconception of "GPT wrappers," asserting that significant value is being added through traditional software and specialized AI applications. The discussion also covers the defensibility of AI companies, the impact of prosumer revenue, and the importance of team selection and strategic investment in a market where picking winners is crucial. They conclude by underscoring the immense opportunity in AI and the need for a thoughtful approach to navigate this rapidly expanding field.