Drexel University Apr 13 2026 It's estimated that more than half of all of U.S. teens are regularly using companion chatbots powered by large language models and generative artificial intelligence (AI) technology. The programs, such as Character.AI, Replika and Kindroid, are intended to provide companionship, according to the companies that make them. But a recent study from Drexel University suggests that teens are concerned that these attachments are becoming unhealthy and affecting their