Azure Cosmos DB vs Cloud Firestore

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.

Cloud Firestore is Google's fully-managed NoSQL database for storing and syncing data in real-time across web, mobile, and server applications. It provides powerful querying, automatic scaling, and seamless integration with Firebase services.