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The Best Engineers Stopped Writing Prompts: The 4 Layers That Replaced Prompt Engineering

Boris Cherny, the builder of Claude Code, stated in June 2026 that he no longer writes prompts for Claude, instead using loops that have replaced prompt engineering. This shift highlights a new paradigm where engineers move beyond manual prompting to automated, layered systems.

read1 min views41 publishedJun 22, 2026

Boris Cherny built Claude Code. In June 2026 he said the quiet part out loud: “I don’t prompt Claude anymore. I have loops running that… Continue reading on Towards AI »

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