A mysterious chatbot named ‘gpt2-chatbot’ has sparked immense excitement and speculation across the AI community. This chatbot, which you can find and experiment with yourself on the LMSys Chatbot Arena, is touted by some users to be more advanced than current state-of-the-art models like GPT-4 and Claude 3 Opus. Emerging seemingly out of thin air, its origins are totally unknown. Could it be an experimental project from a leading AI lab or a strange leak?  There is a mysterious new model called gpt2-chatbot accessible from a major LLM benchmarking site. No one knows who made it or what it is, but…