Why Prompts Fail in Production (and the 4 Failure Vectors)

Originally published on AI School — free AI & ML courses, no signup. This is lesson 1 of the free course Prompt Patterns That Survive Production. The playground-to-production gap is real, consistent, and almost always fixable — once you know which four vectors are doing the damage. The Playground Is a Lie Every developer who has shipped an LLM-powered feature has been surprised in the same way. The prompt worked perfectly in the playground. The first fifty test users were fine....