OpenAI has introduced ChatGPT for Clinicians, a tool designed to assist healthcare professionals. According to NS3.AI, the latest version, GPT-5.4, achieved a score of 59.0 on the HealthBench Professional benchmark, surpassing the 43.7 scored by human physicians. This tool is available at no cost to verified U.S. physicians, nurse practitioners, physician assistants, and pharmacists, aiming to enhance medical practice efficiency and accuracy.