KNOWLEDGE NOTES

Knowledge Notes

Explore curated knowledge, course notes and methods, with their existing content and sources preserved.

This index lists complete English editions. Additional Chinese notes and bilingual updates remain available in the Chinese index.

350knowledge notes
AI Engineering / Anthropic and Claude

Anthropic Interpretability + Claude Behavior Research (Natural Language Autoencoders + User Usage Insights)

5 hub articles from the Anthropic research section: Natural Language Autoencoders (decoding Claude's internal activations into natural language, a major breakthrough in May 2026) + How people ask Claude for personal guidance (sampling of 1 million conversations / 6% are seeking life advice) + BioMysteryBench (bioinformatics evaluation) + Why do AI models hallucinate? + What is sycophancy? + 4 research team pages (Alignment / Economic Research / Interpretability / Societal Impacts). Covers three areas of research: "how AI thinks internally + how users use it + what bugs it is prone to"

Model InterpretabilityAI BehaviorSecurity researchEnglish edition