Andrej Karpathy, the co-founder of OpenAI and former AI Director at Tesla announced his move to Anthropic via social media. He believes that cutting-edge advancements in large language models will be of paramount importance in the coming years, and he is delighted to return to research and development work. It is reported that he will officially take office this week and set up a new team, focusing on leveraging Claude to accelerate pre-training research and empowering models to acquire core knowledge and capabilities.