DataStax Astra DB vs Amazon Keyspaces

DataStax Astra DB9.3Visit Amazon Keyspaces7.3Visit

Higher score DataStax Astra DB #1 in Cassandra Hosting 9.3/10 Free plan · paid from $1 Free plan✓ 1 of 3 features Visit Astra DB

vs

Amazon Keyspaces #4 in Cassandra Hosting 7.3/10 Paid ✓ 1 of 3 features Try Amazon Keyspaces

• DataStax Astra DB fits best

  Cassandra apps needing a flexible managed platform

• Amazon Keyspaces fits best

  Serverless Cassandra on AWS

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Side by side

Feature	DataStax Astra DB 9.3/10 Visit ↗	Amazon Keyspaces 7.3/10 Visit ↗
At a glance
Editor score	9.3	7.3
Ranking	#1 in Cassandra Hosting	#4 in Cassandra Hosting
Best for	Cassandra apps needing a flexible managed platform	Serverless Cassandra on AWS
Pricing model	Free plan + paid	Paid
Starting price	Not published	Not published
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Tickets, Docs	Docs
Integrations	5 integrations	7 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features DataStax Astra DB 1/3 · Amazon Keyspaces 1/3
Automated backups	Not published	Not published
Multi-region clusters	✓	✓
Private networking	Not published	Not published
Specs
Cassandra versions	Not published	Not published
Node scaling	Not published	Not published
Storage per node	Not published	Not published
Deployment regions	Not published	Not published
Our review
Pros	CQL, HTTP Data API, drivers, and client libraries Configurable consistency with multi-region replication Free tier plus usage pricing from $1 per resource unit	Serverless operation with on-demand or provisioned capacity Multi-Region active-active replication and 35-day recovery CQL compatibility plus broad AWS service integrations
Cons	Free plan excludes multi-region databases Subscription pricing is $83.3 per month Not open source	Usage-based pricing varies by AWS Region AWS-focused deployment limits platform flexibility Requires Cassandra-compatible workloads and AWS ecosystem fit
Our verdict	DataStax Astra DB is a fully managed, serverless database service powered by Apache Cassandra. It is designed for developers building distributed applications, real-time workloads, and generative-AI or retrieval-augmented-generation… Read the review →	Amazon Keyspaces is a fully managed, serverless wide-column database service compatible with Apache Cassandra and Cassandra Query Language (CQL). It is intended for teams running low-latency, high-throughput Cassandra workloads in the AWS… Read the review →

Strengths and trade-offs

• DataStax Astra DB — where it wins

  • CQL, HTTP Data API, drivers, and client libraries
  • Configurable consistency with multi-region replication
  • Free tier plus usage pricing from $1 per resource unit

  Where it doesn't

  • Free plan excludes multi-region databases
  • Subscription pricing is $83.3 per month
  • Not open source

• Amazon Keyspaces — where it wins

  • Serverless operation with on-demand or provisioned capacity
  • Multi-Region active-active replication and 35-day recovery
  • CQL compatibility plus broad AWS service integrations

  Where it doesn't

  • Usage-based pricing varies by AWS Region
  • AWS-focused deployment limits platform flexibility
  • Requires Cassandra-compatible workloads and AWS ecosystem fit

• DataStax Astra DB9.3/10 · Free plan · paid from $1

  A flexible managed Cassandra platform with multiple APIs, scaling, and a free tier.

  Visit Astra DBFull verdict →
• Amazon Keyspaces7.3/10 · Paid

  A strong AWS-native choice for serverless Cassandra workloads with multi-Region support.

  Try Amazon KeyspacesFull verdict →