Milvus / Zilliz

by Zilliz · freemium · Last verified 2026-04-24

Milvus is the leading open-source vector database for large-scale AI applications, with Zilliz Cloud providing its fully managed version. It handles billions of vectors with high throughput and supports multiple index types (IVF, HNSW, DiskANN). Milvus powers recommendation systems, semantic search, and molecular similarity search at petabyte scale.