Mysterious AI surfaces online — was it ChatGPT’s succesor?

A mysterious AI chatbot labelled ‘gpt2-chatbot’ was briefly available online before subsequently disappearing again. The chatbot quietly made its debut on the website LMSYS Chatbot Arena — a website which is used to benchmark, compare, and rank different AI systems.

Based on its name, some are speculating that the tool might be an earlier version of OpenAI‘s chatbot language model, GPT-2. But users have noted that the language model seems equally as powerful — or more powerful than — GPT-4...