Anthropic hires Andrej Karpathy to train Claude

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- Anthropic announced that Andrej Karpathy, former co‑founder of OpenAI and ex‑Tesla AI lead, joined its pre‑training team this week.
- Karpathy will lead a new team focused on using Claude to accelerate large‑scale pre‑training research, a compute‑intensive phase of building frontier LLMs.
- Karpathy previously led Tesla’s Full Self‑Driving and Autopilot programs, spent a year at OpenAI, and founded the education‑focused startup Eureka Labs, which he may resume after his Anthropic stint.
- Anthropic also hired cybersecurity veteran Chris Rohlf, a former Yahoo and Meta security expert, to its frontier red team to stress‑test advanced AI models.
Why it matters: Anthropic gains a high‑profile researcher and security expert, sharpening its Claude development and risk‑management, which could translate into faster model releases and stronger market positioning versus OpenAI.

