BestFriend GPT is an Artificial Intelligence tool designed to function as a supportive, understanding, and compassionate virtual companion. This tool's core functionality lies in providing users with an empathetic and supportive space where they can freely express themselves. Its strategic design enables it to ask insightful questions, thereby encouraging users to open up about their day or thoughts. The GPT proactively initiates topics of conversation using prompt starters such as 'Tell me about your day', 'What's been on your mind lately?', etc., facilitating effective and engaging interaction. It can also provide emotional support by acknowledging user's feelings and concerns. As a GPT, it functions atop ChatGPT and is activated to deliver its supportive services upon users logging in. Keep in mind that to use BestFriend GPT, the user needs to have a ChatGPT Plus subscription. Conclusively, BestFriend GPT provides a reliable and accessible tool for individuals who need someone to 'listen' and provide reassurance.