1. Why Single-Prompt LLM Calls Fail at Scale In the initial exploratory phase of enterprise generative AI adoption, building a prototype appears deceptively simple. A developer writes a short Python script that takes a document, stuffs its contents into an API prompt, calls a Large Language Model (LLM), parses the generated JSON response, and writes the output to a database table. During low-volume proof-of-concept testing with single-page invoices or curated text snippets, t