A Data Engineer’s Guide to Understanding Large Language Models If you’ve ever typed a prompt into ChatGPT, Claude, or Gemini and wondered, “How does this thing actually work?” — you’re not alone. Large Language Models (LLMs) are the most talked-about technology in recent years. Yet what happens under the hood remains unclear to many engineers. In this article, we’ll break down how LLMs work — from architecture to training to inference — so you understand not just what they do, but how and why they do it. 1. What Is an LLM, Really? At its core, a Large Language Model… Read more