16:41
2026-09-26
interestingengineering.substack.com
large-language-models
Extracting and Characterizing Hidden Chain-of-Thought
A new academic paper from Aalborg University shows that hidden chain-of-thought reasoning in frontier models including GPT-6 Astra, GPT-5.6 Sol, Claude Opus 4.8, and Claude Sonnet 5 can be extracted b…