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Software · head to head

Couchbase vs DataStax

Couchbase logo

Couchbase

Software

The modern database for enterprise applications

From
Free
Rated
-
Full reviewWebsite
DataStax logo

DataStax

Software

The real-time data company for AI applications

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Couchbase the free tier is a single node with 8 GB of storage and forum support only; DataStax dataStax's own Astra DB documentation states the Enterprise plan is an annual, contract-based plan with negotiated pricing, meaning list prices are not published for that tier
  • They diverge on capability: Couchbase covers JSON Document Model, DataStax covers Cassandra Compatible.

Where they differ

Only the attributes on which Couchbase and DataStax actually diverge.

Attributes where Couchbase and DataStax differ
AttributeCouchbaseDataStax
PlatformsLinux, Windows, Mac, Docker, WebWeb, Aws, Azure, Gcp
Founded20112010

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Couchbase

  • JSON Document Model
  • SQL++ Query
  • Full-text Search
  • Eventing
  • Analytics
  • Mobile Sync
  • Multi-dimensional Scaling
  • Spring

Only in DataStax

  • Cassandra Compatible
  • Vector Search
  • Serverless
  • Multi-cloud
  • Streaming
  • CDC
  • GraphQL API
  • LangChain

Both cover

  • Kafka
  • Spark
  • Kubernetes
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Couchbase

  • Running a distributed NoSQL document database as a managed servicenot DataStax
  • Mobile sync and offline first applications backed by a cloud databasenot DataStax

DataStax

  • Real-time applicationsnot Couchbase
  • Content managementnot Couchbase
  • User profilesnot Couchbase
  • Mobile backendsnot Couchbase
  • Cachingnot Couchbase

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Couchbase

  • The free tier is a single node with 8 GB of storage and forum support only
  • Node rates are hourly and quoted as starting figures, from $0.15 an hour on Basic to $0.49 on Enterprise
  • The Developer Pro and Enterprise plans require 3 nodes, so the hourly rate multiplies before any usage
  • Backup storage is billed separately at $0.07 per GB a month, and analytics backups at $0.14
  • Support response time is a plan feature, at 8 hours on Developer Pro against 30 minutes on Enterprise
  • AI and analytics run as separately priced planes at up to $0.86 an hour per node

DataStax

  • DataStax's own Astra DB documentation states the Enterprise plan is an annual, contract-based plan with negotiated pricing, meaning list prices are not published for that tier
  • DataStax's Astra DB documentation directs Standard plan customers to IBM's watsonx.data pricing for exact consumption-based rates following the DataStax/IBM deal, rather than publishing them on DataStax's own site

Pricing, plan by plan

Couchbase

Free
  • CommunityFree
    • Full features
    • Community support
    • Self-managed
  • Capella FreeFree
    • Managed service
    • Limited resources
    • Cloud hosted

DataStax

Free
  • FreeFree
    • 5GB storage
    • 40M read/write ops
    • Vector search
  • Pay As You GoFree
    • Usage-based pricing
    • Multi-region
    • Enterprise support

Which should you pick?

Choose Couchbase if

  • You need json document model.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Docker, Web.
  • You also want sql++ query.
Couchbase review

Choose DataStax if

  • You need cassandra compatible.
  • You want to start without paying.
  • You work on Web, Aws, Azure, Gcp.
  • You also want vector search.
DataStax review

Questions people ask

Is Couchbase or DataStax better?
Neither clearly leads. Couchbase starts at Free and DataStax at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Couchbase or DataStax?
Couchbase starts at Free and DataStax at Free.
Does Couchbase or DataStax run on more platforms?
Couchbase runs on Linux, Windows, Mac, Docker, Web. DataStax runs on Web, Aws, Azure, Gcp.
Can I use Couchbase for free?
Both have a free tier, so you can try either at no cost before committing.
What is Couchbase best used for?
Couchbase is most often used for running a distributed nosql document database as a managed service, mobile sync and offline first applications backed by a cloud database. Of those, running a distributed nosql document database as a managed service and mobile sync and offline first applications backed by a cloud database are not what DataStax is typically brought in for.
What can Couchbase do that DataStax cannot?
Couchbase covers JSON Document Model, SQL++ Query, Full-text Search, Eventing. DataStax covers Cassandra Compatible, Vector Search, Serverless, Multi-cloud. Both handle Kafka, Spark, Kubernetes, Web support.
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