AI Engineer YouTube · June 9, 2026

RAG is dead, right?? — Kuba Rogut, Turbopuffer

RAG is dead, right?? — Kuba Rogut, Turbopuffer video thumbnail
Why it matters

Cursor added semantic search and measured a 24% increase in answer accuracy on their composer model, a 2.6% gain in code retention in large codebases, and a 2.2% drop in dissatisfied user requests. Those numbers look small until you factor in that semantic search does not fire on every query. Meanwhile Google search vo

My takeaway: Cursor added semantic search and measured a 24% increase in answer accuracy on their composer model, a 2.6% gain in code retention in large codebases, and a 2.2% drop in dissatisfied user requests. Those numbers look small until you factor in that semantic search does not fire on every query. Meanwhile Google search vo