vioscaleAI
Comparison

Hazelcast vs Redis

On the evidence we track, Redis leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Hazelcast full profile →Redis full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Hazelcast61
★Redis71
Score
vioscaleAI score
Hazelcast61 / 100medium · 56%
Redis71 / 100high · 75%
Pricing
Free tier
Hazelcast–
Redis✓
Model
Hazelcastcommercial
Redisfreemium
Price level
Hazelcastunknown
Redislow
Transparent
Hazelcast✗
Redis✗
Integrations
Count
Hazelcast6
Redis11
Security
Disclosure policy
Hazelcast–
Redis✓
Gdpr
Hazelcast✓
Redis✓
Hipaa
Hazelcast–
Redis✓
Iso27001
Hazelcast–
Redis✓
Pci
Hazelcast–
Redis✓
Scorecard
Hazelcast4.2
Redis6.8
Soc2
Hazelcast–
Redis✓
Trust center
Vulnerabilities
Reliability
Sla pct
Hazelcast–
Redis99.999
Status page
Hazelcast✓
Redis✓
Adoption
Dependent repos
Hazelcast10,433
Redis1
Github stars
Hazelcast6,620
Redis76,594
Package downloads weekly
Hazelcast3,112
Redis–
Stackoverflow questions
Hazelcast–
Redis26,000
Activity
Commits last 30d
Hazelcast80
Redis44
Release
Cadence days
Hazelcast15
Redis45
History
Hazelcast20 items
Redis20 items
License
Spdx
HazelcastApache-2.0
RedisRSALv2
Language
Primary
HazelcastJava
RedisC
Market
Availability
Hazelcast–
RedisAvailable worldwide
Content
Faq
Hazelcast5 items
Redis8 items

Capabilities

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

Storage
Storage tier
HazelcastIn-memory
RedisIn-memory
Persistence
HazelcastFully durable
RedisAppend-only log
Data structures
HazelcastKV-only
RedisRich types
Protocol
Wire protocol
HazelcastCustom
RedisRESP (Redis)
Distribution
Clustering
HazelcastReplicated
RedisSharded
Consistency
HazelcastStrong
RedisStrong
Ops
Eviction / TTL policies
Hazelcast✓
Redis✓
Multi-threaded
Hazelcast-
Redis✓
Pub/Sub / streams
Hazelcast✓
Redis✓
Transactions / atomic ops
Hazelcast-
RedisMULTI-EXEC
Deployment
Deployment
HazelcastSelf-hosted
RedisManaged
Licensing
Licence class
Hazelcast-
RedisSource-available
Compatibility
Redis API compatibility
Hazelcast-
RedisFull

What each one is

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

Hazelcast

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

Redis

Leader

A multi-purpose in-memory data platform that functions as a cache, vector database, document store, streaming engine, and message broker, with built-in support for advanced search, transactions, and multi-region replication.

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

Quote-based
as of verify ↗

Redis

Leader
HybridFree tier

Free open-source software plus three cloud subscription tiers (Essentials, Flex, Pro)

  • Essentials-
    • Single database
    • Index on RAM
    • 99.99% uptime
  • Flex-
    • Tiered RAM and SSD storage
    • Adjustable RAM ratio
    • 99.99% uptime
    • Up to 80% cost savings vs RAM alone
  • Pro-
    • Unlimited databases
    • Unlimited storage
    • Unlimited ops/sec
    • Active-Active multi-region
    • 99.999% uptime
as of verify ↗

Platform & deployment

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

Platforms
Web
Hazelcast✗
Redis✓
macOS
Hazelcast✗
Redis✓
Windows
Hazelcast✗
Redis✓
Linux
Hazelcast✓
Redis✓
CLI
Hazelcast✓
Redis✓
Deployment
Cloud / SaaS
Hazelcast✓
Redis✓
Self-hosted
Hazelcast✓
Redis✓
On-premise
Hazelcast✗
Redis✓
Hybrid
Hazelcast✓
Redis✓

Integrations

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

In common (2)
  • MongoDB
  • Microsoft SQL Server

Hazelcast

10 total - 8 not shared
  • Spring Integration
  • Kafka
  • Hadoop
  • S3
  • RDBMS
  • JMS
  • Oracle Database
  • JDBC
Independently observed

Redis

Leader
22 total - 20 not shared
  • Oracle
  • PostgreSQL
  • MySQL
  • MariaDB
  • Percona XtraDB
  • Cassandra
  • Google Cloud SQL
  • Grafana
  • Prometheus
  • AWS
  • Microsoft Azure
  • Google Cloud
  • Python
  • Node.js
  • Java
  • Go
  • .NET
  • Datadog
  • New Relic
  • Azure
Independently observed
Still deciding?

Hazelcast or Redis: 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.