Author(s): EzInsights AI Originally published on Towards AI. Vector databases like Pinecone, Weaviate, Milvus, and FAISS are the backbone of modern AI applications — from RAG (Retrieval-Augmented Generation) to semantic search and recommendation systems. Optimizing them is critical for speed, cost, and accuracy. Here’s a detailed breakdown of 14 key optimization techniques every AI/ML engineer should master: 1. Choose the Right Index Type Why it matters: Different index types balance spee...