Azure Cosmos DB vs Milvus

Azure Cosmos DB is a globally distributed, multi-model database service by Microsoft offering single-digit millisecond latency and 99.999% availability SLA. It supports document, key-value, graph, and column-family data models with multiple API options.

Milvus is open-source vector database built for scalable similarity search across billions of vectors. It provides comprehensive features for databases workflows. The tool is actively maintained with regular updates and strong community/vendor support.