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RAGMedium· Agentic RAG· Cost Optimization· Reliability

Your four-agent assistant costs 35% more per query than...

If the agents are not issuing their own queries, the fan-out provides no benefit and only increases costs. Furthermore, conjunctive reliability is a major factor: if each agent has a high success rate, the system-wide success rate for a four-agent chain drops significantly. Finally, ensure that the summarization step is not discarding information necessary for the final synthesis, which can mimic a retrieval failure.

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