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The Hidden Cost of Plugging an LLM Into Your Business Process

The demo works beautifully. Then you connect it to real users, real data, and real volume — and three problems appear that nobody mentioned in the pitch. LLM integration is genuinely useful, but the gap between a working prototype and a reliable production system is wider than most teams expect. Here is what that gap actually contains.

Rajat Gupta

6 May 2026

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