Vector DBs can't reason.

Top-k similarity ranks chunks one at a time against a query. That's fine for single-hop fact lookups, and it breaks the moment a question needs information stitched across multiple chunks.

That's what the FalkorDB GraphRAG-Bench results expose. The gap… https://t.co/hCv4cwP7Xk pic.twitter.com/utrYDQjFwZ

— Akshay 🚀 (@akshay_pachaar) 29 avril 2026

Vector DBs can't reason. Top-k similarity ranks chunks one at a time against a query. That's fine for single-hop fact lookups, and it breaks the moment a question needs information stitched across multiple chunks. That's what the FalkorDB GraphRAG-Bench results expose. The gap

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