Which Knowledge Retrieval Strategy Actually Wins in 2026?

At Ninth Post, we found that standard RAG was failing us on complex “Why” questions. It handled surface-level retrieval well enough, but when our newsroom asked multi-layered investigative prompts across hundreds of documents, the cracks became visible. RAG vs Graph-RAG: Which Knowledge Retrieval Strategy Actually Wins in 2026? The 2025 hallucination crisis was not about…