Microsoft Research releases LazyGraphRAG
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LazyGraphRAG released — combines best-first and breadth-first search without upfront summarization; claimed its indexing cost is 0.1% of full GraphRAG and that it cuts global query cost by more than 700 times
Why it matters
The original GraphRAG authors acknowledged the cost problem themselves and turned toward deferred graph construction
Source — Primary sources first; secondary reports are labelled “Press”
Officialmicrosoft.comhttps://www.microsoft.com/en-us/research/blog/lazygraphrag-setting-a-new-standard-for-quality-and-cost/Added in Week 35, 2026 · See that week
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