Comparison

Hazelcast vs Valkey

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.
★Hazelcast61
Valkey49
Score
vioscaleAI score
Hazelcast61 / 100medium · 56%
Valkey49 / 100low · 44%
Pricing
Free tier
Hazelcast–
Valkey✓
Model
Hazelcastcommercial
Price level
Hazelcastunknown
Valkeyfree
Transparent
Hazelcast✗
Valkey✓
Integrations
Count
Hazelcast6
Valkey2
Reliability
Status page
Hazelcast✓
Valkey–
Adoption
Dependent repos
Hazelcast10,433
Valkey0
Github stars
Hazelcast6,620
Valkey27,437
Package downloads weekly
Hazelcast3,112
Valkey–
Activity
Commits last 30d
Hazelcast80
Valkey73
Release
Cadence days
Hazelcast15
Valkey–
History
Hazelcast20 items
Valkey20 items
License
Spdx
HazelcastApache-2.0
Language
Primary
HazelcastJava
ValkeyC
Market
Availability
Hazelcast–
Content
Faq
Hazelcast5 items
Valkey5 items

Capabilities

Feature-by-feature on the axes that matter for key-value stores. “-” means undocumented, not absent.

Storage
Storage tier
HazelcastIn-memory
ValkeyPersistent
Persistence
HazelcastFully durable
ValkeySnapshot (RDB)
Data structures
HazelcastKV-only
ValkeyRich types
Protocol
Wire protocol
HazelcastCustom
ValkeyRESP (Redis)
Distribution
Clustering
HazelcastReplicated
ValkeySharded
Consistency
HazelcastStrong
Valkey-
Ops
Eviction / TTL policies
Hazelcast✓
Valkey✓
Multi-threaded
Hazelcast-
Valkey✓
Pub/Sub / streams
Hazelcast✓
Valkey✓
Transactions / atomic ops
Hazelcast-
Valkey-
Deployment
Deployment
HazelcastSelf-hosted
ValkeySelf-hosted
Licensing
Licence class
Hazelcast-
ValkeyPermissive OSS
Compatibility
Redis API compatibility
Hazelcast-
ValkeyFull

What each one is

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

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

Valkey

A data store designed for fast access to cached and real-time data, supporting message queues and other workloads. Available both as an open-source project backed by the Linux Foundation and through managed cloud services from multiple providers.

Independently observed

Pricing

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

Hazelcast

Leader
Quote-based
as of verify ↗

Valkey

Open source
as of verify ↗

Platform & deployment

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

Platforms
macOS
Hazelcast✗
Valkey✓
Linux
Hazelcast✓
Valkey✓
CLI
Hazelcast✓
Valkey✓
Deployment
Cloud / SaaS
Hazelcast✓
Valkey✓
Self-hosted
Hazelcast✓
Valkey✓
Hybrid
Hazelcast✓
Valkey✗

Integrations

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

Hazelcast

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

Valkey

3 total
  • Harbor
  • OpenTelemetry
  • Prometheus
Independently observed
Still deciding?

Hazelcast or Valkey: 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.