Mem0: what three memory scopes actually cost

Every agent memory system eventually faces the same question: when should the agent forget? Mem0 's answer is to never let it come to that - an LLM-powered extraction pipeline watches every conversation, pulls out candidate memories, deduplicates them against a vector, and asks a second LLM to decide whether each one should be added, updated, deleted, or ignored. It's the most sophisticated memory management pipeline we've examined. It's also the most expensive.