Azure Cosmos DB vs Couchbase

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.

Couchbase is a distributed NoSQL database providing high performance, high availability, and flexible data models for modern applications. It combines document-oriented flexibility with traditional database reliability.