Definition
Plain language
Training a smaller model to imitate a bigger one, hoping to inherit much of its skill.
As stated in the literature
A training procedure that transfers behavior from a teacher model to a smaller student by training the student to match the teacher's outputs or intermediate signals.
Also called: distill, distilled, self-distillation, distilling
Why it matters: It's the main way frontier model capabilities get compressed into smaller, cheaper models that can actually be deployed at scale.
For example, a 7-billion-parameter student model is trained to match the next-token probabilities of a 70-billion-parameter teacher on millions of prompts.
Heard on the show
“The preference rounds distilled the model's own stable re-falsifications, so the fakes pass the decisiveness test right alongside the truth.”Episode 244 — The Open-Weight Defense That Feeds Attackers Confident, Falsified Answers