Learn LLM internals step by step - from tokenization to attention to inference optimization.

We read all 512K lines of Claude Code's accidentally exposed source. 82 docs, 15 diagrams, every subsystem mapped — from the hidden YOLO safety classifier to multi-agent swarms.

A reference point for phenomena that have been reported to occur inside AI systems but have no direct mapping into natural language.

Mechanistic interpretability of transformer hallucinations via attention flow, residual stream geometry, and head-level attribution analysis.