Tree of Knowledge

How the models work, from the papers underneath to this year's frontier.

• Foundations The papers the rest builds on
  • Understanding the Transformer Feb '26
  • Understanding BERT Feb '26
  • FlashAttention Feb '26
  • Vision Transformers Need Registers Feb '26
• Frontier models Reasoning, open weights, and what comes after text
  • How Reasoning Models Learn to Think Jul '26
  • DeepSeek V4 Apr '26
  • Manifold Constrained Hyperconnections Apr '26
  • GLM-5.2 The Open-Weight Model That Beats GPT-5.5 Jun '26
  • Jev A System One Model new Sep '26
• Search & ranking Ordering the web
  • PageRank How Google Brought Order to the Web Mar '26

Tools, harnesses, and the cost of putting agents to work.

• Claude Code One agent, inside and out
  • Mastering Claude Code Feb '26
  • Inside the Claude Code Leak Apr '26
• Agent practice Harnesses, budgets, and memory
  • AI Agent-First Engineering Mar '26
  • Frontier Frugality new Sep '26
  • LLM-Compiled Knowledge Bases Apr '26

Money, markets, and evidence, read through data.

• AI economy Who pays whom, and who gets paid
  • The AI Investment War Jul '26
  • The Trimodal Nature of Tech Compensation in 2026 Jul '26
• Markets A century of the index
  • 98 Years of the S&P 500 How Major Events Shaped Market History Feb '26
• Health evidence Claims traced to papers
  • Every Health Claim, Tied to the Marker It Moves Sep '26
• Unsorted Not yet placed in the tree
  • Tech Job Titles Same Job, Different Price new Oct '26