Duk Lee - Blog & Notes

Writing

• Jul 29, 2026
  Context Windows: Why Your 1M-Token Model Only Uses 200K of Them
• Jul 28, 2026
  Hacker News Front Page Roundup — July 28, 2026
• Jul 28, 2026
  Park Hae-young Doesn't Write About Love. She Writes About Worship.
• Jul 28, 2026
  How LLMs Actually Learn After Pre-Training: SFT, DPO, Distillation, and RL Explained
• Jul 27, 2026
  Your AI Agent Wrote It Down. It Still Won't Learn.