Why I use it: Built for billion-scale vector search. GPU-accelerated with distributed architecture.
Why I use it: The most popular managed vector database. Serverless option with great free tier for RAG apps.
Why I use it: Open-source vector DB with built-in vectorization and hybrid search. Self-host or use cloud.
Why I use it: The simplest vector database. Perfect for prototyping RAG apps and AI projects.
Why I use it: High-performance vector DB written in Rust. Excellent filtering and payload support.
Why I use it: Serverless embedded vector DB — no server needed. Built on the efficient Lance columnar format.