
Inside the Training Run: Curriculum Design, Data Mixtures, and Emergent Behavior
Most people imagine a training run as a black box. You wire up a giant model. You dump in "the internet plus some extras." You let it churn for a few weeks. You get "intelligence" out the other side. That story is comforting because it makes scale the only variable that matters. Inside a real lab, that's not how it feels.



