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AI & Machine Learning · Intermediate

Agent Memory

Mechanisms that let an agent retain information within a task (short-term) and across sessions (long-term).

Definition

Short-term memory is the conversation and working state in the context window; long-term memory persists facts, preferences or summaries in external stores such as files, databases or vector stores, retrieved when relevant. Memory must respect privacy and be protected from poisoning.

Exam tip

Short-term memory lives in the context window; long-term memory needs an external store and retrieval.

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