The AI Weekender #1: What Is a Large Language Model, Really?

Issue: #1 Reading time: ~10 min Level: No prior AI knowledge required AI Contribution: This post was written with the assistance of Claude. The ideas and direction are my own; the AI helped compile and draft the content. I use “model,” “LLM,” and “AI” interchangeably. So does almost everyone I work with — including people who spend a lot of time thinking about this. In the flow of a meeting or a Slack message, it usually doesn’t matter. But occasionally I catch myself saying something like “the AI doesn’t know about that” or “the model gets confused when…” and I notice I’m gesturing at something fuzzy. There’s a concept I’m circling but not quite landing on. ...

June 3, 2026 · 11 min · Si Hang Xie