Summary
Andrej Karpathy, one of AI’s most recognized researchers and an OpenAI co-founder, officially joined Anthropic on May 19, 2026. He will lead a new team on Anthropic’s pre-training division focused on using Claude to accelerate foundational model research. Karpathy announced the move on X, expressing excitement about returning to core R&D and his belief that the next few years in large language models will be “particularly formative.”
Before joining Anthropic, Karpathy served as Director of AI at Tesla (leading the Autopilot computer vision team), was a research scientist at OpenAI, and founded Eureka Labs — an AI education platform he plans to continue in the future. His hiring represents a significant talent acquisition for Anthropic in the intensifying competition for top-tier AI researchers.
Source
Forbes · Business Insider · Axios
Commentary
Karpathy moving to Anthropic is one of the most symbolically significant talent shifts in the AI industry to date. He’s not just a brilliant researcher — he’s a cultural figure in ML, with his Stanford lectures and YouTube tutorials having shaped how an entire generation thinks about deep learning. His departure from the OpenAI ecosystem to its most credible competitor sends a signal about where he sees the most interesting work being done.
The timing is also notable: OpenAI is filing for an IPO while Karpathy walks out the door to join Anthropic’s pre-training team. Whether this reflects disagreements about OpenAI’s increasingly commercial direction or simply Anthropic’s research culture being more appealing, it’s a win Anthropic will be leveraging for recruitment for years to come.