OpenAI co-founder Andrej Karpathy joins Anthropic’s pre-training team

16 sources covered this ⚠ Left-only compare →

Coverage diverges primarily in the framing of Karpathy's career shift. Axios emphasizes the significance of Karpathy's role at OpenAI and his new position at Anthropic, suggesting a notable industry shift. In contrast, r/OpenAI raises…

Rebecca Bellan, Lorenzo Franceschi-Bicchierai· May 19, 2026 · 3:43 PM UTC ·4 min read · 0 reactions · 0 comments · 68 views

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TL;DR · WeSearch summary

Andrej Karpathy has joined Anthropic's pre-training team, focusing on large-scale training for AI models. He expressed excitement about contributing to research and development in the field of large language models. Karpathy's experience at OpenAI and Tesla positions him as a key figure in bridging AI theory and practical application.

Key facts

▪Andrej Karpathy has joined Anthropic to work on pre-training under team lead Nick Joseph.
▪Pre-training is a crucial and resource-intensive phase in developing AI models like Claude.
▪Karpathy aims to build a team that leverages AI-assisted research to enhance pre-training efforts.

How this story was covered

8 outlets in our directory ran this story, first to last over 3 hours. Coverage spans 2 points on the political spectrum — 1 lean left, 6 centre.

Lean left · 1Centre · 6

▪ OpenAI co-founder Andrej Karpathy joins Anthropic as it aims to dominate AI race — The Globe and Mail
▪ Andrej Karpathy, Tesla Alum and OpenAI Co-Founder, Joins Anthropic - WSJ — Google News
▪ Anthropic hires OpenAI co-founder Andrej Karpathy, former Tesla AI leader — CNBC — Top
▪ Andrej Karpathy joins Anthropic to lead pre-training team — Crypto Briefing
▪ Andrej Karpathy joins Anthropic to help launch a team focused on using Claude to accelerate pre-training research; he helped found OpenAI and worked at Tesla (Madison Mills/Axios) — Techmeme
▪ OpenAI co-founder Andrej Karpathy joins Anthropic — Axios
▪ Karpathy is a founding member of OpenAI and now joining Anthropic. I wonder why — Reddit

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TechCrunch · Rebecca Bellan, Lorenzo Franceschi-Bicchierai

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Opening excerpt (first ~120 words) tap to expand

Andrej Karpathy, the AI researcher who co-founded and formerly worked at OpenAI and previously led AI at Tesla, has joined Anthropic. “I’ve joined Anthropic,” Karpathy posted on X Tuesday. “I think the next few years at the frontier of LLMs will be especially formative. I am very excited to join the team here and get back to R&D.” Personal update: I've joined Anthropic. I think the next few years at the frontier of LLMs will be especially formative. I am very excited to join the team here and get back to R&D. I remain deeply passionate about education and plan to resume my work on it in time.— Andrej Karpathy (@karpathy) May 19, 2026 Karpathy started this week at Anthropic, where he is working on pre-training under team lead Nick Joseph.

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