#chain-of-thought monitorability

Tagged chain-of-thought monitorability · show all articles

Two side-by-side instrument-calibration benches, each with an oscilloscope screen and a two-knob rotary selector; on the left bench the reference-instrument knob sits locked on a single detent while the subject knob is mid-turn, and on the right bench both knobs are caught mid-turn together

Two Labs Watched Their Newest Model Get Harder to Watch, and Only One Held the Ruler Still

Astra and Claude Mythos 5.1 both got better at evading their monitors the same week. One story rests on a monitor-fixed comparison; the other's chart holds its monitor fixed too, but its conclusion compares against a retired one.

By Brecht Corbeel · September 18, 2026 · 18 min read

Browse by Category

Surprise me →

All AI Hardware & Semiconductors 110 AI Agents & Systems 43 Foundation Models 30 AI Industry 27 Model Evaluation 23 Technological Evolution 15 AI Infrastructure 12 Physics 10 History of Technology 10 Evolutionary Psychology 10 Evolutionary Biology 10 Einstein & Evolution 10 Edge AI & Electronics 10 AI Research 10 Open Models 9 Human Systems 9 AI Safety 9 Semiconductors 8 Datacenters 8 Biology 8 Evolutionary Physics 7 Human Evolution 6 Robotics & Embodied AI 5 Future Studies 5 Evolutionary Nuclear Physics 5 Cultural Evolution 5 Neuroscience 4 Mathematics 4 Materials Science 4 Chemistry 4 Space Science 3 Scientific Methods 3 Invention & Engineering 3 Institutions & Governance 3 Humanity & Technology 3 Human History 3 History of Science 3 Future of Work 3 Ethics & Governance 3 Economic History 3 AI Security 3 Technology & Society 2 Semiconductor Markets 2 Security 2 Industry Analysis 2 Earth Science 2 Datacenters & Infrastructure 2 Astronomy & Cosmology 2 Astrobiology 2 Writing & Information 1 Structural Biology 1 Small & Edge Models 1 Security & Technology 1 Scientific Revolution 1 Robotics 1 Quantum Information 1 Quantum Foundations 1 Quantum Biology 1 Policy & Regulation 1 Pokémon Formal Systems 1 Pokémon Formal Measurement 1 Pokémon Formal Machinery 1 Pokémon Economics 1 Planetary Science 1 Particle Physics 1 Origins & Astrobiology 1 Open-Weight Models 1 Metrology 1 Mathematics & Computation 1 Labour & Technology 1 Interpretability 1 Institutions & State Capacity 1 Institutions & Economy 1 Inference Economics 1 Industrial Revolutions 1 History of Computing 1 Governance & Policy 1 Game-Mechanic Economics 1 Evolutionary Economics 1 Evolution as Mechanism 1 Evolution & Ecology 1 Ethics of Technology 1 Energy & Civilization 1 Earth & Climate 1 Demography & Urbanization 1 Data & Training 1 Cumulative Culture 1 Cosmology 1 Condensed Matter 1 Chemistry & Catalysis 1 Alignment & Safety 1 Agriculture & Cities 1 Agent Evaluation 1 AI for Science 1 AI Economics & Systems 1 AI & The Web 1