BEFORE LAUNCHING, GPT-4O BROKE RECORDS ON CHATBOT LEADERBOARD UNDER A SECRET NAME

Summary from the TLDR newsletter

The mysterious chat-topping AI chatbot known as 'gpt2-chatbot' that had been undergoing testing on the LMSYS Chatbot Arena has been revealed to be OpenAI's newly announced GPT-4o model. The model had topped the Chatbot Arena leaderboard, achieving the highest documented score ever. OpenAI tested multiple versions of GPT-4o on Chatbot Arena before its announcement yesterday. The models surpass all other models by a significant gap and have become the strongest ever in the Arena.