Active2 developments · 2 sources · over 2 daysAndrej Karpathy Joins Anthropic's Pre-Training TeamHow it developedMay 19, 2026TechCrunch AIWhere it startedAndrej Karpathy Joins Anthropic's Pre-Training TeamMay 21, 2026The AI Daily BriefAndrej Karpathy Joins Anthropic for AI Research