<ul data-eligibleForWebStory="true">Traditional static personas are becoming outdated due to AI's ability to capture real user behavior.AI-powered dynamic user models are being advocated to better reflect how real people behave.Alan Cooper's introduction of personas in the 90s provided teams with a shared language to understand users, but they are no longer sufficient.Static personas simplify users' complexity by trying to summarize them with a few traits, potentially reinforcing bias and missing edge cases.AI-driven models can track the evolving and inconsistent nature of real users, offering hyper-personalized experiences.By focusing on user behavior and using tools that craft dynamic user models in real-time, companies can adapt better to users' changing needs.Tools for tracking behavior and understanding user intent are crucial for creating effective user models.In 2025, products will be judged not just on features but on how fast they can learn and adapt to users' shifting moods.Human qualitative research remains essential for gaining insights and context that AI-powered tools may miss.Retiring static personas is about embracing dynamic user understanding through AI and qualitative research efforts.