Andrej Karpathy has joined Anthropic, citing the next few years at the frontier of LLMs as especially formative. The move has sparked discussion about the implications of AGI and the role of Anthropic in the AI landscape. Karpathy's background in AI research and education has led to speculation about his motivations and the potential impact of his joining Anthropic. The announcement has also raised questions about the company's stance on AI safety and ethics.