Azure Cosmos DB vs Redis

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.

Redis is In-memory data store used as a database, cache, and message broker with support for multiple data structures.. It is available under a freemium model. This tool falls under the databases category.