Coding LLMs from the Ground Up: A Complete Course

I wrote a lot about reasoning models in recent months (4 articles in a row)! Next to everything "agentic," reasoning is one of the biggest LLM topics of 2025.This month, however, I wanted to share more fundamental or "foundational" content with you on how to code LLMs, which is one of the best ways to understand how LLMs work.Why? Many people really liked and benefited from the abbreviated LLM workshop I shared last year:So, I thought this ~5× longer and more detailed content (~15 hours in total...