← VibeFest
the vibefest blog

Foundations

Mental models the rest of VibeFest builds on. We write a piece here when we figure out something the program rests on — and we want students to be able to find it before, during, and after the room.

Looks like magic

2026-05-28 · 12-min read

How are tokens generated? Magic, obviously. A talk in eight beats that opens with a self-writing scroll and an owl on the windowsill — and closes with the spell collapsing into a loop you already understand.

Why do these things hallucinate?

2026-05-27 · 10-min read

Hallucinations aren’t a bug. They fall directly out of how language models work — and once you see why, the confident-sounding mistakes stop being mysterious. Ten minutes on what’s happening inside, and what to do about it.