Amazon Keyspaces
6.4#4 in wide-column databasesFree planFree planWebAPI
VisitAmazon Keyspaces vs Azure Cosmos DB for NoSQL
Azure Cosmos DB for NoSQL
6.3#5 in wide-column databasesFree planFree planAPISelf-hosted
VisitWhat both publish
| Fact | Amazon Keyspaces | Azure Cosmos DB for NoSQL |
|---|---|---|
| Availability | Multi-Region deployments offer up to 99.999% availability, and table data is replicated three times across multiple Availability Zones. | The product page states that NoSQL data has SLAs including less than 10 millisecond read and write latency and 99.999 percent availability. |
| Free plan | No | Yes |
| Integrations | The service integrates with Amazon CloudWatch for performance metrics and supports streaming changes to Amazon OpenSearch Service. | Change feed supports event-driven architectures and streaming pipelines using Azure Functions and Spark. |
| Security | Customer data is encrypted at rest by default, with AWS-owned or customer-managed keys available through AWS Key Management Service. | Microsoft recommends private endpoints, disabling public network access, and client-side encryption with Always Encrypted for sensitive data. |
Amazon Keyspaces plans
- On-demand capacity—
- Provisioned capacity—
- AWS Free TierFree
- Database Savings Plans—
- Amazon Keyspaces — on-demand capacityPriced on request
- Amazon Keyspaces — provisioned capacityPriced on request
Azure Cosmos DB for NoSQL plans
- Free tierFree
- Standard provisioned throughput—
- Standard provisioned throughputPriced on request
- 30-day free trialPriced on request
- Autoscale provisioned throughputPriced on request
- Autoscale provisioned throughput—
Pick Amazon Keyspaces if…
It suits teams building Cassandra-compatible applications, including low-latency services, IoT data systems, game player profiles, or time-series workloads. It may also fit teams migrating Cassandra workloads that want a managed service.
Pick Azure Cosmos DB for NoSQL if…
Azure Cosmos DB for NoSQL may suit teams building cloud applications that need JSON document storage, configurable consistency, or multi-region support. Its free tier and different throughput billing approaches give teams options to consider based on their usage needs.