Cognitive Companion

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Probe-based monitor

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First seen: Apr 17, 2026Last active: 3h ago

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Research MilestoneApr 17, 2026
Research proposed a Cognitive Companion architecture to monitor LLM agent reasoning with zero overhead.
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Cognitive Companion Monitors LLM Agent Reasoning with Zero Overhead
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A 'Cognitive Companion' architecture uses a logistic regression probe on LLM hidden states to detect when agents loop or drift, reducing failures by o
9h ago95 relevance

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