Journal article
Where the Transcript Runs Out: When Model Internals Beat Behavioural Monitors, Why the Strongest Generalisation Evidence Comes From Targets the Text Already Shows, and the Comparisons No Study Has Yet Run
Linear probes and other readers of a language model's activations are now deployed as safety monitors, and two published literatures disagree about what they buy. One reports probes that match prompted and fine-tuned language-model monitors on real-world data after training only on synthetic…