Morning Edition · Thursday, July 16, 2026Published at 1:44 AM EDT · New York
Residual-stream probes struggle to separate harmful prompts from surface-matched benign ones at any useful operating point, limiting their role as automatic safety filters.

A paper titled The Entanglement Wall examines a popular interpretability technique for safety: probes trained on a model's residual stream to detect harmful requests. The authors start from an uncomfortable fact. Context can flip whether a…
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Over the next 3-6 months, evidence mounts that governance, evaluation, and agent-safety methods are failing to keep pace with capability growth, driving investment in interpretability, agent-manipulation benchmarks, and institutional-reform proposals.
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