Unverified50% confidenceDecision RuleExact time
For simple, single-intent queries, single retrieval is sufficient and more economical; Agentic retrieval is only necessary when a question is complex and requires synthesis across multiple information sources.
1
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50%
Confidence
Long-term
Relevance
10/5/2026
First Seen
Sources
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VerifiedPerplexity's Pro Search implements a multi-step reasoning-retrieval loop that decomposes complex questions into sub-questions, executes searches independently, evaluates result relevance, automatically generates follow-up queries when necessary, and finally synthesizes a structured answer.78% similarUnverifiedProduction-grade multi-knowledge-base RAG systems will most likely require a hybrid architecture that dynamically adjusts based on query type: routing for queries with clear attribution and falling back to broader retrieval for cross-domain queries.75% similarUnverifiedThe Adaptive Instructed-Retriever dynamically adjusts search depth based on actual needs, rather than executing a fixed number of retrieval steps.73% similarVerifiedThe question decomposition strategy breaks complex questions into multiple sub-questions for separate retrieval and then consolidates the results, avoiding the inability to obtain sufficient information from a single complex query.72% similarUnverifiedMaking retrieval evaluation close to real-world scenarios requires three conditions to hold simultaneously: a sufficiently large document corpus, a sufficiently diverse query set, and in-depth relevance judgments for each query.72% similar
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