Vector Database Comparison: ChromaDB vs Pinecone vs FAISS Benchmarks [2025]

Vector Database Performance Showdown: ChromaDB vs Pinecone vs FAISS – Real Benchmarks Revealing 1000x Speed Differences This analysis presents real-world performance tests of three leading vector databases. All test code is open-source: Why Vector Database Selection Matters When building RAG (Retrieval-Augmented Generation) systems, your choice of vector database directly impacts application performance. After testing three leading solutions – ChromaDB, Pinecone, and FAISS – under identical conditions, we discovered staggering performance differences: The fastest solution outperformed the slowest by nearly 1000x. 1. Performance Results: Shocking Speed Disparities Search Speed Comparison (Average per query) Rank Database Latency Performance Profile 🥇 FAISS 0.34ms …