Hidden State Reuse in Entity-Replacement LLM Responses
October 29, 2026
Research shows that fixed-weight models exhibit significant hidden-state transfer between factual questions about the same entity. In 0.5-1B parameter models, hidden reuse can remove up to 49% of no-change errors during entity replacement.
HOW THIS AFFECTS YOU
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researcherThis suggests that model representations are more rigid and interconnected across related entities than previously thought.