Training

Concept

Fine-Tuning Explained

When to fine-tune, when not to, and how to do it without burning weekend cycles. The honest version.

Concept

How AI Models Are Trained

From raw text to a chat-ready model — the four-stage pipeline behind every modern LLM. Pre-training, instruction tuning, RLHF, and the modern alternatives.

Interview

Walk me through how Adam works, and when you'd use it vs SGD with momentum.

Tests deeper optimizer knowledge — separates 'studied for the interview' from 'has shipped models'.