vioscaleAI
Comparison

KeyDB 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.

KeyDB full profile →Redis full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
KeyDB38
★Redis71
Score
vioscaleAI score
KeyDB38 / 100low · 46%
Redis71 / 100high · 75%
Pricing
Free tier
KeyDB✓
Redis✓
Model
Price level
KeyDBfree
Redislow
Transparent
KeyDB✓
Redis✗
Integrations
Count
KeyDB1
Redis11
Security
Disclosure policy
KeyDB–
Redis✓
Gdpr
KeyDB–
Redis✓
Hipaa
KeyDB–
Redis✓
Iso27001
KeyDB–
Redis✓
Pci
KeyDB–
Redis✓
Scorecard
KeyDB–
Redis6.8
Soc2
KeyDB–
Redis✓
Trust center
Vulnerabilities
Reliability
Sla pct
KeyDB–
Redis99.999
Status page
KeyDB–
Redis✓
Adoption
Dependent repos
KeyDB1
Redis1
Github stars
KeyDB12,500
Redis76,594
Stackoverflow questions
KeyDB–
Redis26,000
Activity
Commits last 30d
KeyDB0
Redis44
Release
Cadence days
KeyDB53
Redis45
History
License
Spdx
Language
Primary
KeyDBC++
RedisC
Market
Availability
Content
Faq
KeyDB6 items
Redis8 items

Capabilities

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

Storage
Storage tier
KeyDBIn-memory
RedisIn-memory
Persistence
KeyDBFully durable
RedisAppend-only log
Data structures
KeyDBRich types
RedisRich types
Protocol
Wire protocol
KeyDBRESP (Redis)
RedisRESP (Redis)
Distribution
Clustering
KeyDBSharded
RedisSharded
Consistency
KeyDBStrong
RedisStrong
Ops
Eviction / TTL policies
KeyDB✓
Redis✓
Multi-threaded
KeyDB✓
Redis✓
Pub/Sub / streams
KeyDB✓
Redis✓
Transactions / atomic ops
KeyDBMULTI-EXEC
RedisMULTI-EXEC
Deployment
Deployment
KeyDBSelf-hosted
RedisManaged
Licensing
Licence class
KeyDBPermissive OSS
RedisSource-available
Compatibility
Redis API compatibility
KeyDBFull
RedisFull

What each one is

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

KeyDB

A data storage system that maintains Redis API compatibility while offering both in-memory and persistent storage modes, supporting active replication for distributed deployments and asynchronous command execution.

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.

KeyDB

Open sourceFree tier
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
KeyDB✗
Redis✓
macOS
KeyDB✗
Redis✓
Windows
KeyDB✗
Redis✓
Linux
KeyDB✓
Redis✓
CLI
KeyDB✓
Redis✓
Deployment
Cloud / SaaS
KeyDB✗
Redis✓
Self-hosted
KeyDB✓
Redis✓
On-premise
KeyDB✗
Redis✓
Hybrid
KeyDB✗
Redis✓

Integrations

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

KeyDB

1 total
  • redis-py
Independently observed

Redis

Leader
22 total
  • Oracle
  • PostgreSQL
  • MySQL
  • MariaDB
  • Percona XtraDB
  • Microsoft SQL Server
  • MongoDB
  • 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?

KeyDB 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.