Vector Databases Compared: Pinecone vs Chroma vs Weaviate for AI Agents
This post contains affiliate links. I may earn a commission at no extra cost to you. Picking a vector database is one of the first real architectural decisions in a RAG or AI agent project. Get it wrong and you rebuild it six months later. Get it right and it disappears into the background—exactly what infrastructure should do. This comparison focuses on the three databases that come up most often in production AI agent systems: Pinecone, Chroma, and Weaviate. I will cover setup, query patterns, performance characteristics, and the scenarios where each one makes sense. ...