DevHacker Noonabout 3 hours ago
Agent Memory Needs Five Gates, Not Bigger Context
9 min read
A larger context window does not replace memory architecture. Five gates govern admission, retrieval, consolidation, revision, and forgetting. LongMemEval showed accuracy drops of 30% to 60% at 115K tokens. Structured reading strategies like Chain-of-Note improved question-answering by up to 10 absolute points.
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