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Research questionHow do attention and recurrent state divide factual retrieval from output style in hybrid language models?Hybrid language models retain context through both an attention cache and a fixed-size recurrent state, but it is unclear whether those channels store the same information. This makes it difficult to predict which channel supports exact recall versus broader output behavior.
AI
AI Memory
Mechanistic Interpretability
Natural Language Processing
Latest papersRecent research connected to this question, newest first.What Attention Recalls and Recurrence Controls in Hybrid Language ModelsThe evidence concerns Qwen3.5 and Falcon-H1 hybrid language models and uses cache-level interventions that retain or exchange the attention cache and recurrent state. It examines exact retrieval, output language, persona, and recurrent-only responses to words absent from the context but semantically or partly related to seen items.research paper · Sep 3, 2026
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