Oct 29, 20266 min readGraphRAG vs RAG: what the evidence actually saysGraphRAG wins on multi-hop and whole-corpus questions and loses on plain lookups, at a higher cost. What three studies show, how much weight each deserves, and a decision rule you can use.
Oct 29, 20266 min readFive questions before you build a knowledge graph for RAGA knowledge graph can make RAG better at connecting facts, or just slower and more expensive. Five questions, each tied to published evidence, that tell you which one you are about to get.
Oct 29, 20266 min readA GraphRAG business case, done the evidence-based wayMost GraphRAG business cases are a vendor benchmark and a hopeful percentage. A structure that survives a CFO's questions: six steps of evidence-based management, a cost model from measured token counts, and a value range instead of one number.
Oct 29, 20266 min readThe real cost of GraphRAG: indexing, queries and keeping the graph freshIndexing reads your whole corpus with an LLM, global search can use hundreds of times more tokens per question than plain RAG, and freshness is the cost nobody budgets. Published measurements, current prices and a cost model you can fill in.
