vioscaleAI
Comparison

DragonflyDB vs KeyDB

On the evidence we track, DragonflyDB leads this comparison with a composite score of 57/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

DragonflyDB full profile →KeyDB full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★DragonflyDB57
KeyDB38
Score
vioscaleAI score
DragonflyDB57 / 100medium · 67%
KeyDB38 / 100low · 46%
Pricing
Free tier
DragonflyDB✓
KeyDB✓
Model
DragonflyDBfreemium
KeyDBopen_source
Price level
DragonflyDBlow
KeyDBfree
Transparent
DragonflyDB✗
KeyDB✓
Integrations
Count
DragonflyDB5
KeyDB1
Security
Gdpr
DragonflyDB✓
KeyDB–
Pci
DragonflyDB✓
KeyDB–
Scorecard
DragonflyDB5.3
KeyDB–
Soc2
DragonflyDB✓
KeyDB–
Vulnerabilities
Adoption
Dependent repos
DragonflyDB0
KeyDB1
Github stars
DragonflyDB31,781
KeyDB12,500
Activity
Commits last 30d
DragonflyDB100
KeyDB0
Release
Cadence days
DragonflyDB21
KeyDB53
History
DragonflyDB20 items
KeyDB20 items
License
Spdx
DragonflyDB–
KeyDBBSD-3-Clause
Language
Primary
DragonflyDBC++
KeyDBC++
Market
Availability
Content
Faq
DragonflyDB6 items
KeyDB6 items

Capabilities

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

Storage
Storage tier
DragonflyDBIn-memory
KeyDBIn-memory
Persistence
DragonflyDBSnapshot (RDB)
KeyDBFully durable
Data structures
DragonflyDBRich types
KeyDBRich types
Protocol
Wire protocol
DragonflyDBRESP (Redis)
KeyDBRESP (Redis)
Distribution
Clustering
DragonflyDBSharded
KeyDBSharded
Consistency
DragonflyDBStrong
KeyDBStrong
Ops
Eviction / TTL policies
DragonflyDB✓
KeyDB✓
Multi-threaded
DragonflyDB✓
KeyDB✓
Pub/Sub / streams
DragonflyDB✓
KeyDB✓
Transactions / atomic ops
DragonflyDBMULTI-EXEC
KeyDBMULTI-EXEC
Deployment
Deployment
DragonflyDBSelf-hosted
KeyDBSelf-hosted
Licensing
Licence class
DragonflyDBSource-available
KeyDBPermissive OSS
Compatibility
Redis API compatibility
DragonflyDBFull
KeyDBFull

What each one is

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

DragonflyDB

Leader

A Redis-compatible in-memory database that uses multi-threaded processing to achieve significantly higher performance and lower operating costs compared to traditional alternatives, supporting pub/sub, streams, and advanced data structures.

Independently observed

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

Pricing

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

DragonflyDB

Leader
from $8/moSubscriptionFree tier

From $8/GB/month (Flex), $2,000+/month (Business). Free trial with $100 credits.

  • Flex$8/GB/month, starting at $36/month
    • Fully-managed on AWS, GCP, or Azure
    • One-click provisioning
    • Horizontal + vertical scaling
    • Monitoring dashboard
    • Dragonfly team support
  • BusinessStarting at $2,000/month
    • Bring your own cloud
    • Auto-scaling
    • SSO & MFA
    • Custom SLA
    • Dedicated support
  • EnterpriseContact sales
    • Run anywhere
    • Custom instance types
    • White-glove migrations and tuning
    • Advanced security & compliance
    • Enterprise SLA & premium support
as of verify ↗

KeyDB

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
Linux
DragonflyDB✗
KeyDB✓
CLI
DragonflyDB✓
KeyDB✓
Deployment
Cloud / SaaS
DragonflyDB✓
KeyDB✗
Self-hosted
DragonflyDB✓
KeyDB✓

Integrations

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

DragonflyDB

Leader
10 total
  • GCP Marketplace
  • AWS
  • Google Cloud Platform
  • Feast
  • Airbyte
  • PostgreSQL
  • AWS Marketplace
  • S3
  • Grafana
  • Prometheus
Independently observed

KeyDB

1 total
  • redis-py
Independently observed
Still deciding?

DragonflyDB or KeyDB: 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.