vioscaleAI
Comparison

JanusGraph vs Virtuoso

On the evidence we track, JanusGraph leads this comparison with a composite score of 54/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

JanusGraph full profile →Virtuoso full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★JanusGraph54
Virtuoso37
Score
vioscaleAI score
JanusGraph54 / 100medium · 67%
Virtuoso37 / 100high · 77%
Pricing
Free tier
JanusGraph✓
Virtuoso✓
Model
JanusGraphopen_source
Virtuosofreemium
Price level
JanusGraphfree
Virtuosohigh
Starting price
JanusGraph–
Virtuoso$99.99
Transparent
JanusGraph✓
Virtuoso✓
Integrations
Count
JanusGraph10
Virtuoso6
Security
Scorecard
JanusGraph6.4
Virtuoso2.7
Vulnerabilities
Reliability
Status page
JanusGraph✓
Virtuoso✓
Adoption
Dependent repos
JanusGraph250
Virtuoso1
Github stars
JanusGraph5,855
Virtuoso975
Package downloads weekly
JanusGraph–
Virtuoso22
Activity
Commits last 30d
JanusGraph97
Virtuoso9
Release
Cadence days
JanusGraph74
Virtuoso143
History
JanusGraph20 items
Virtuoso19 items
License
Spdx
JanusGraph–
VirtuosoBSD
Language
Primary
JanusGraphJava
VirtuosoC
Market
Availability
Content
Faq
JanusGraph5 items
Virtuoso7 items

Capabilities

Feature-by-feature on the axes that matter for graph databases. “-” means undocumented, not absent.

Model
Graph model
JanusGraphProperty graph
VirtuosoRDF / triple
Query language(s)
JanusGraphGremlin
VirtuosoSPARQL
Transactions
ACID transactions
JanusGraphFull
Virtuoso-
Consistency model
JanusGraphTunable
Virtuoso-
Architecture
Storage
JanusGraphPluggable backend
Virtuoso-
Distributed / scale
JanusGraphSharded
Virtuoso-
Replication / HA
JanusGraph✓
Virtuoso✓
OLTP vs OLAP
JanusGraphBoth
VirtuosoBoth
Deployment
Deployment
JanusGraphSelf-hosted
VirtuosoSelf-hosted
Search
Full-text search
JanusGraphVia index
Virtuoso-
Built-in vector search
JanusGraph-
Virtuoso-
Licensing
Licence class
JanusGraphPermissive OSS
VirtuosoSource-available
Portability
openCypher / TinkerPop standard
JanusGraph✓
Virtuoso✓

What each one is

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

JanusGraph

Leader

A database system that stores and queries extremely large graphs spread across multiple machines, enabling many users to run complex lookups simultaneously with strong transaction guarantees and support for batch analytics.

Independently observed

Virtuoso

A database server supporting both conventional relational data via SQL and semantic graphs via SPARQL and GraphQL. Designed to integrate diverse data sources into a unified system that enables knowledge graph creation, reasoning, and enterprise-wide data discovery.

Independently observed

Pricing

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

JanusGraph

Leader
Open sourceFree tier

Fully open source under Apache 2 license. No commercial licensing required.

as of verify ↗

Virtuoso

from $99.99/yrHybridFree tier

From $99.99/year for workstation licenses. Free open-source edition available under GPL. Perpetual enterprise licenses available on request.

  • Personal$99.99/year
    • 2 Concurrent Sessions
    • CPU Core Affinity
    • Linux, Windows, macOS
    • Workstation
  • Developer$199/year
    • 5 Concurrent Sessions
    • Application Development License
  • Project$499/year
    • 16 Concurrent Sessions
    • Unlimited CPU Cores
    • Server-Grade Operating Systems
    • Enterprise Support
as of verify ↗

Platform & deployment

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

Platforms
Web
JanusGraph✓
Virtuoso✓
macOS
JanusGraph✗
Virtuoso✓
Windows
JanusGraph✗
Virtuoso✓
Linux
JanusGraph✗
Virtuoso✓
CLI
JanusGraph✓
Virtuoso✗
Deployment
Self-hosted
JanusGraph✓
Virtuoso✓
On-premise
JanusGraph✗
Virtuoso✓

Integrations

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

JanusGraph

Leader
25 total
  • Apache Cassandra
  • Apache HBase
  • Google Cloud Bigtable
  • Oracle BerkeleyDB
  • ScyllaDB
  • Elasticsearch
  • Apache Solr
  • Apache Lucene
  • Apache Spark
  • Aerospike
  • DynamoDB
  • FoundationDB
  • Gremlin
  • Apache TinkerPop
  • Arcade Analytics
  • Graphexp
  • Graph Explorer
  • Graphlytic
  • ReGraph
  • Cassandra
  • HBase
  • Bigtable
  • Amazon Managed KeySpace
  • Solr
  • +1 more
Independently observed

Virtuoso

6 total
  • SQLAlchemy
  • RDFLib
  • SQL databases
  • NoSQL databases
  • Linked Data sources
  • APIs
Independently observed
Still deciding?

JanusGraph or Virtuoso: 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.