Comparison

JanusGraph vs Neo4j

No clear leader: Neo4j (54.9) and JanusGraph (54.1) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

JanusGraph full profile →Neo4j full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

JanusGraph54

Neo4j55

Attribute comparison across 2 tools
Attribute	JanusGraph	Neo4j
vioscaleAI score	54 / 100medium · 67%	55 / 100medium · 69%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	low
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	10	8
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Scorecardsecurity.scorecard	6.4	4.4
Trust centersecurity.trust_center	-	https://neo4j.com/blog/developer/aura-activity-feed-enhanced-security-and-compliance/
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.janusgraph%3Ajanusgraph-core&per_page=100 · Last 12m: 0	Count: 4 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.neo4j%3Aneo4j&per_page=100 · Last 12m: 2 · Max severity: CRITICAL
Reliability
Sla pctreliability.sla_pct	-	99.95
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	250	1,698
Github starsadoption.github_stars	5,855	17,272
Activity
Commits last 30dactivity.commits_last_30d	97	48
Release
Cadence daysrelease.cadence_days	74	2
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	-	GPL-3.0
Language
Primarylanguage.primary	Java	Java
Market
Availabilitymarket.availability	-	Available worldwide
Content
Faqcontent.faq	5 items	7 items

Score

vioscaleAI score

JanusGraph54 / 100medium · 67%

Neo4j55 / 100medium · 69%

Pricing

Free tier

JanusGraph✓

Neo4j✓

Model

JanusGraphopen_source

Neo4jfreemium

Price level

JanusGraphfree

Neo4jlow

Transparent

JanusGraph✓

Neo4j✗

Integrations

Count

JanusGraph10

Neo4j8

Security

Disclosure policy

JanusGraph–

Neo4j✓

Gdpr

JanusGraph–

Neo4j✓

Hipaa

JanusGraph–

Neo4j✓

Scorecard

JanusGraph6.4

Neo4j4.4

Trust center

JanusGraph–

Neo4jhttps://neo4j.com/blog/developer/aura-activity-feed-enhanced-security-and-compliance/

Vulnerabilities

JanusGraphCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.janusgraph%3Ajanusgraph-core&per_page=100 · Last 12m: 0

Neo4jCount: 4 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.neo4j%3Aneo4j&per_page=100 · Last 12m: 2 · Max severity: CRITICAL

Reliability

Sla pct

JanusGraph–

Neo4j99.95

Status page

JanusGraph✓

Neo4j✓

Adoption

Dependent repos

JanusGraph250

Neo4j1,698

Github stars

JanusGraph5,855

Neo4j17,272

Activity

Commits last 30d

JanusGraph97

Neo4j48

Release

Cadence days

JanusGraph74

Neo4j2

History

JanusGraph20 items

Neo4j20 items

License

Spdx

JanusGraph–

Neo4jGPL-3.0

Language

Primary

JanusGraphJava

Neo4jJava

Market

Availability

JanusGraph–

Neo4jAvailable worldwide

Content

Faq

JanusGraph5 items

Neo4j7 items

Capabilities

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

Capability comparison for Graph Databases
Capability	JanusGraph	Neo4j
Model
Graph model	Property graph	Property graph
Query language(s)	Gremlin	Cypher
Transactions
ACID transactions	Full	Full
Consistency model	Tunable	Strong
Architecture
Storage	Pluggable backend	Native graph
Distributed / scale	Sharded	Clustered
Replication / HA	✓	✓
OLTP vs OLAP	Both	Both
Deployment
Deployment	Self-hosted	Managed
Search
Full-text search	Via index	Built-in
Built-in vector search	-	✓
Licensing
Licence class	Permissive OSS	Source-available
Portability
openCypher / TinkerPop standard	✓	✓

Model

Graph model

JanusGraphProperty graph

Neo4jProperty graph

Query language(s)

JanusGraphGremlin

Neo4jCypher

Transactions

ACID transactions

JanusGraphFull

Neo4jFull

Consistency model

JanusGraphTunable

Neo4jStrong

Architecture

Storage

JanusGraphPluggable backend

Neo4jNative graph

Distributed / scale

JanusGraphSharded

Neo4jClustered

Replication / HA

JanusGraph✓

Neo4j✓

OLTP vs OLAP

JanusGraphBoth

Neo4jBoth

Deployment

JanusGraphSelf-hosted

Neo4jManaged

Full-text search

JanusGraphVia index

Neo4jBuilt-in

Built-in vector search

JanusGraph-

Neo4j✓

Licensing

Licence class

JanusGraphPermissive OSS

Neo4jSource-available

Portability

openCypher / TinkerPop standard

JanusGraph✓

Neo4j✓

What each one is

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

JanusGraph

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

Neo4j

A managed cloud graph database that stores data as interconnected entities and relationships, designed for knowledge graphs, AI applications, and complex relationship analysis.

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

Open sourceFree tier

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

as of 2026-08-14verify ↗

Neo4j

SubscriptionFree tier

as of 2026-10-05verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	JanusGraph	Neo4j
WebPlatforms	✓	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓
HybridDeployment	✗	✓

Platforms

Web

JanusGraph✓

Neo4j✓

CLI

JanusGraph✓

Neo4j✓

Deployment

Cloud / SaaS

JanusGraph✗

Neo4j✓

Self-hosted

JanusGraph✓

Neo4j✓

On-premise

JanusGraph✗

Neo4j✓

Hybrid

JanusGraph✗

Neo4j✓

Integrations

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

In common (1)

Apache Spark

JanusGraph

25 total - 24 not shared

Apache Cassandra
Apache HBase
Google Cloud Bigtable
Oracle BerkeleyDB
ScyllaDB
Elasticsearch
Apache Solr
Apache Lucene
Aerospike
DynamoDB
FoundationDB
Gremlin
Apache TinkerPop
Arcade Analytics
Graphexp
Graph Explorer
Graphlytic
ReGraph
Cassandra
HBase
Bigtable
Amazon Managed KeySpace
Solr
Lucene

Independently observed

Neo4j

9 total - 8 not shared

Spring Framework
GraphQL
StepZen
Apache Kafka
Couchbase
Kafka
JDBC
LDAP

Independently observed

Still deciding?

JanusGraph or Neo4j: 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.