18-Day Foundation Models + Post-Training Roadmap

Three weeks, six days per week, five hours per day.

The complete plan is maintained in 18-day-foundation-model-plan.md. It starts with Transformer fundamentals, builds a full foundation-model systems map, and then specializes in post-training and reinforcement learning.

Daily cadence

Block Time
History and theory 60 min
Mathematics 45 min
Colab implementation 120 min
Ablation and visualization 45 min
Flagship essay chapter 30 min

Weekly outputs

  1. Inside a Modern LLM: From Tokens to KV Cache
  2. How Foundation Models Are Built and Extended Beyond Text
  3. Post-Training from First Principles: SFT, RLHF, DPO and GRPO