Comparison

KeyDB vs Redis

On the evidence we track, Redis leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
KeyDB35
Redis64
Score
Vioscale score
KeyDB35 / 100low · 46%
Redis64 / 100high · 75%
Pricing
Free tier
KeyDB
Redis
Model
Price level
KeyDBfree
Redislow
Transparent
KeyDB
Redis
Integrations
Count
KeyDB
Redis19
Reliability
Status page
KeyDB
Redis
Adoption
Dependent repos
KeyDB0
Redis1
Github stars
KeyDB12,509
Redis76,112
Stackoverflow questions
KeyDB
Redis26,000
Activity
Commits last 30d
KeyDB0
Redis60
Release
Cadence days
KeyDB53
Redis45
History
License
Spdx
Language
Primary
KeyDBC++
RedisC
Content
Faq
KeyDB
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

KeyDB is an open-source database that offers significantly higher performance than Redis through multithreading while maintaining full Redis protocol compatibility. It includes advanced features like active replication, FLASH storage, and MVCC architecture for non-blocking queries.

Independently observed

Redis

Leader

A versatile in-memory database engine that enables sub-millisecond data access and processing for caching, stream processing, session storage, search, and machine learning workloads. Available as both open-source software and managed cloud services across multiple cloud 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.

KeyDB

Open sourceFree tier
as of verify ↗

Redis

Leader
SubscriptionFree tier
  • Essentials-
  • Pro-
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
Linux
KeyDB
Redis
CLI
KeyDB
Redis
Deployment
Cloud / SaaS
KeyDB
Redis
Self-hosted
KeyDB
Redis

Integrations

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

KeyDB

Not documented yet.

Redis

Leader
19 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
Independently observed

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