What Is an LLM? The Foundation Every AI Backend Engineer Needs

Description and use

<p>Before I built anything with AI, I kept seeing the term LLM everywhere — in articles, in job descriptions, in GitHub repos. I nodded along like I understood it. I didn't. Not really.</p> <p>I knew it stood for Large Language Model. I knew ChatGPT was one. But when someone asked me "how does it actually work" — I couldn't explain it. I had the label, not the understanding.</p> <p>This article is the explanation I wish I had before I started building.</p> <h2> What does "Large Language Model" actually mean </h2> <p>Let's break the name down.</p> <p><strong>Language</strong> — it works with la

Problem

<p>Before I built anything with AI, I kept seeing the term LLM everywhere — in articles, in job descriptions, in GitHub repos. I nodded along like I understood it. I didn't. Not really.</p> <p>I knew it stood for Large Language Model. I knew ChatGPT was one. But when someone asked me "how does it actually work" — I couldn't explain it. I had the label, not the understanding.</p> <p>This article is the explanation I wish I had before I started building.</p> <h2> What does "Large Language Model" actually mean </h2> <p>Let's break the name down.</p> <p><strong>Language</strong> — it works with la

Outcome

<p>Before I built anything with AI, I kept seeing the term LLM everywhere — in articles, in job descriptions, in GitHub repos. I nodded along like I understood it. I didn't. Not really.</p> <p>I knew it stood for Large Language Model. I knew ChatGPT was one. But when someone asked me "how does it actually work" — I couldn't explain it. I had the label, not the understanding.</p> <p>This article is the explanation I wish I had before I started building.</p> <h2> What does "Large Language Model" actually mean </h2> <p>Let's break the name down.</p> <p><strong>Language</strong> — it works with la

Evidence

What Is an LLM? The Foundation Every AI Backend Engineer Needs

Source