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Self-RAG vs CRAG in LangGraph: which corrective retrieval pattern fits production RAG?
AI & ML

Self-RAG vs CRAG in LangGraph: which corrective retrieval pattern fits production RAG?

CRAG is better when retrieval ambiguity is the problem because it adds a lightweight evaluator plus web-search fallback, while Self-RAG is better when you want the model itself to self-reflect through retrieval and support checks — but Self-RAG’s richer control logic usually costs more LLM calls, so the best choice depends on latency budget and how much correction you need.

20 min read
MultiHop-RAG benchmarks explained: what the dataset reveals about iterative retrieval
AI & ML

MultiHop-RAG benchmarks explained: what the dataset reveals about iterative retrieval

MultiHop-RAG shows that existing RAG methods struggle when evidence is spread across 2 to 4 documents — the benchmark’s 2,556-query setup exposes the weakness of single-pass retrieval and motivates iterative retrieval — but the paper demonstrates this on a news-article knowledge base, so the result is strong evidence for multi-hop failure modes rather than a universal fix.

20 min read

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