SecurityHacker Noonabout 3 hours ago
GraphRAG Break-Even Test: When Plain RAG Wins
6 min read
Plain vector RAG misses distant connections, but GraphRAG is slower, staler, and costlier. A break-even test routes queries by class: point lookups use lexical search, relationship questions use local graph search, and corpus-wide themes use global search. GraphRAG suits stable relationships, not fresh data.
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