Waymo draws on 15 years of Google SDC domain expertise. Tesla's post-Karpathy FSD team holds unique in-house silicon and 6-million-vehicle training data scale.
Read this because The mandate is the story, not the hire. "Use Claude to accelerate Claude's pretraining" is recursive self-improvement as a job description — the loop Recursive Superintelligence raised $650M to chase, now staffed inside a frontier lab.
Andrej Karpathy joined Anthropic's pretraining team under Nick Joseph (May 19). His mandate: use Claude to accelerate Claude's own pretraining R&D.