---
# edu-abdu
title: 'Write §10: Cross-entropy loss and the training loop'
status: todo
type: task
created_at: 2026-03-13T22:02:02Z
updated_at: 2026-03-13T22:02:02Z
parent: edu-u2w7
---

Next-token prediction loss: cross-entropy over the vocab. Adam optimiser. Training loop structure: batch → forward → loss → backward → step. No bells and whistles.