SupportGuy, powered by ChatGPT, is a customer support platform that offers businesses 24/7 support. Key features include customizable themes, multi-language support, and powerful analytics. SupportGuy also allows chatbot training for quick access to answers and hybrid support, allowing the support team to take over conversations when necessary. Use cases for SupportGuy include providing 24/7 customer support, continually improving the chatbot's performance with analytics, and offering flexible and personalized customer service.