Nobody Is QA Testing Their LLM Apps (That's Going to Be a Problem)

AI-powered applications don't crash when they fail — they hallucinate confidently, drift silently, and get exploited in ways traditional QA was never designed to catch. This article breaks down a six-layer testing stack, with industry-standard tools at each layer, to help engineering teams build real quality guarantees into their LLM and RAG applications before those failures reach production.