Pyrana differs from a vector database with metadata by adding explicit entity graphs, claim-level provenance, and strategy-aware search to simple scoped retrieval so that search can use richer structure and traceability.

Vector DB + metadata

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

Simple scoped retrieval

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf

Adds explicit entity graphs, claim-level provenance, and strategy-aware search

— Beyond Retrieval - Pyrana Context Engine Whitepaper.pdf