Comparison

Google Cloud Dataflow vs Hazelcast

On the evidence we track, Hazelcast leads this comparison with a composite score of 61/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Google Cloud Dataflow45
★Hazelcast61
Score
vioscaleAI score
Google Cloud Dataflow45 / 100low · 7%
Hazelcast61 / 100medium · 56%
Pricing
Model
Google Cloud Dataflowcommercial
Hazelcastcommercial
Price level
Google Cloud Dataflow–
Hazelcastunknown
Transparent
Google Cloud Dataflow–
Hazelcast✗
Integrations
Count
Google Cloud Dataflow1
Hazelcast6
Security
Gdpr
Google Cloud Dataflow–
Hazelcast✓
Scorecard
Google Cloud Dataflow–
Hazelcast4.2
Reliability
Status page
Google Cloud Dataflow–
Hazelcast✓
Adoption
Dependent repos
Google Cloud Dataflow–
Hazelcast10,433
Github stars
Google Cloud Dataflow–
Hazelcast6,620
Package downloads weekly
Google Cloud Dataflow–
Hazelcast3,112
Activity
Commits last 30d
Google Cloud Dataflow–
Hazelcast80
Release
Cadence days
Google Cloud Dataflow–
Hazelcast15
History
Google Cloud Dataflow–
Hazelcast20 items
License
Spdx
Google Cloud Dataflow–
HazelcastApache-2.0
Language
Primary
Google Cloud Dataflow–
HazelcastJava
Content
Faq
Google Cloud Dataflow3 items
Hazelcast5 items

Capabilities

Feature-by-feature on the axes that matter for streaming analytics. “-” means undocumented, not absent.

Capabilities
Processing model
Google Cloud Dataflow-
Hazelcast-
Delivery guarantee
Google Cloud Dataflow-
HazelcastExactly once
Streaming sql
Google Cloud Dataflow-
Hazelcast✓
Event time watermarks
Google Cloud Dataflow-
Hazelcast-
Stateful processing
Google Cloud Dataflow✓
Hazelcast✓
Cdc support
Google Cloud Dataflow-
Hazelcast-
Deployment model
Google Cloud DataflowServerless
HazelcastSelf hosted
Autoscaling
Google Cloud Dataflow✓
Hazelcast✓
Connector breadth
Google Cloud Dataflow-
Hazelcast-
Latency class
Google Cloud DataflowSeconds
HazelcastSub second
Open source
Google Cloud Dataflow✗
Hazelcast✓
SOC2
Google Cloud Dataflow-
Hazelcast-
Pricing model
Google Cloud Dataflow-
HazelcastOpen source self host

What each one is

The product in its own terms, so the numbers below have context.

Google Cloud Dataflow

A cloud-hosted service that processes continuous and batch data workloads at scale, supporting data transformation, analytics, and machine learning pipelines through serverless infrastructure.

Independently observed

Hazelcast

Leader

A distributed, in-memory computing platform that combines caching, stream processing, and data integration to enable real-time applications with low-latency data access and instant decision-making.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Google Cloud Dataflow

Pricing not documented yet.

Hazelcast

Leader
Quote-based
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Linux
Google Cloud Dataflow–
Hazelcast✓
CLI
Google Cloud Dataflow–
Hazelcast✓
Deployment
Cloud / SaaS
Google Cloud Dataflow✓
Hazelcast✓
Self-hosted
Google Cloud Dataflow✗
Hazelcast✓
Hybrid
Google Cloud Dataflow✗
Hazelcast✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Google Cloud Dataflow

3 total
  • Apache Beam
  • Splunk
  • Google Cloud Notebooks
Independently observed

Hazelcast

Leader
10 total
  • Spring Integration
  • MongoDB
  • Kafka
  • Hadoop
  • S3
  • RDBMS
  • JMS
  • Oracle Database
  • Microsoft SQL Server
  • JDBC
Independently observed
Still deciding?

Google Cloud Dataflow or Hazelcast: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.