Prominent AI researcher Andrej Karpathy picks Anthropic over former home OpenAI to get back into frontier LLM research

Andrej Karpathy is joining Anthropic’s pretraining team to focus on frontier model research.

He will help improve early-stage large model training with Claude and lead his own research group.

The move comes after prior roles at OpenAI, Tesla, and Eureka Labs.

It boosts Anthropic’s base-model talent and highlights where top AI researchers see the next big gains.