Andrej Karpathy joins Anthropic to lead pre-training research on Claude
OpenAI co-founder and former Tesla AI director Andrej Karpathy has joined Anthropic, where he is starting a team focused on using Claude to accelerate pre-training research under team lead Nick Joseph. Karpathy announced the move on X, saying the next few years at the frontier of LLMs will be 'especially formative' and that he is excited to get back to R&D. He plans to keep his Eureka Labs education work on the back burner for now.