Ex-Tesla AI head has seen a 'phase shift in software engineering' using Claude Code — and his manual skills slowly 'atrophy'

Andrej Karpathy, a Tesla and OpenAI alum, wrote that he is "sheepishly" telling a coding agent what to write.

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• Andrej Karpathy posted his "notes from Claude Coding," describing a recent "phase shift" in software engineering.
• "I really am mostly programming in English now," Karpathy wrote, describing the slow "atrophy" of his manual coding skills.
• Engineers from xAI and Anthropic chimed in with their own takes on agentic coding.