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Andrej Karpathy joins Anthropic to lead pre-training research team

May 19, 2026
AI Summary

Andrej Karpathy, co-founder of OpenAI and former AI lead at Tesla, has joined Anthropic to work on pre-training for AI models. His role will focus on leveraging Claude to enhance research in this area, signaling Anthropic's strategy to compete with major players like OpenAI and Google.

  • Andrej Karpathy has joined Anthropic, starting this week, to work on pre-training under team lead Nick Joseph.
  • Pre-training involves large-scale training runs that develop the core knowledge and capabilities of AI models like Claude.
  • Karpathy aims to build a team that utilizes Claude to accelerate pre-training research, indicating Anthropic's focus on AI-assisted research.
  • Previously, Karpathy worked at OpenAI and Tesla, where he led the Full Self-Driving and Autopilot programs.
  • He has expressed a continued passion for education and plans to resume his work in that field.
  • Anthropic has also hired Chris Rohlf for its frontier red team, which focuses on testing AI models against serious threats. Rohlf has extensive experience in cybersecurity, having worked at Yahoo and Meta.
andrej karpathyanthropicpre-trainingopenaicomputer vision