Which Vector Databases Power Production RAG Pipelines in 2026?
Choosing the right vector databases for RAG is the foundation of any reliable retrieval augmented generation database architecture. In this guide we compare the best vector stores for AI — from Pinecone to pgvector — evaluating query latency, scalability, and cost. Whether you’re prototyping or running a RAG architecture in 2026, this breakdown helps you match the right store to your pipeline.