Comparison

NebulaGraph vs Neo4j

On the evidence we track, Neo4j leads this comparison with a composite score of 55/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

NebulaGraph full profile →Neo4j full profile →

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

NebulaGraph41

★Neo4j55

Attribute comparison across 2 tools
Attribute	NebulaGraph	Neo4jLeader
vioscaleAI score	41 / 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	7	8
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	✓	✓
Hipaasecurity.hipaa	-	✓
Scorecardsecurity.scorecard	5.7	4.4
Trust centersecurity.trust_center	https://nebula-graph.io/posts/bridging-compliance-and-security-graph-technology-for-stablecoin-transaction-monitoring	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=com.vesoft%3Anebula-spark-connector&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	99.999	99.95
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	5	1,698
Github starsadoption.github_stars	12,433	17,272
Activity
Commits last 30dactivity.commits_last_30d	2	48
Release
Cadence daysrelease.cadence_days	74	2
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	GPL-3.0
Language
Primarylanguage.primary	C++	Java
Market
Availabilitymarket.availability	Available worldwide · Popular in US · HQ US	Available worldwide
Content
Faqcontent.faq	8 items	7 items

Score

vioscaleAI score

NebulaGraph41 / 100medium · 67%

Neo4j55 / 100medium · 69%

Pricing

Free tier

NebulaGraph✓

Neo4j✓

Model

NebulaGraphopen_source

Neo4jfreemium

Price level

NebulaGraphfree

Neo4jlow

Transparent

NebulaGraph✗

Neo4j✗

Integrations

Count

NebulaGraph7

Neo4j8

Security

Disclosure policy

NebulaGraph–

Neo4j✓

Gdpr

NebulaGraph✓

Neo4j✓

Hipaa

NebulaGraph–

Neo4j✓

Scorecard

NebulaGraph5.7

Neo4j4.4

Trust center

NebulaGraphhttps://nebula-graph.io/posts/bridging-compliance-and-security-graph-technology-for-stablecoin-transaction-monitoring

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

Vulnerabilities

NebulaGraphCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.vesoft%3Anebula-spark-connector&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

NebulaGraph99.999

Neo4j99.95

Status page

NebulaGraph–

Neo4j✓

Adoption

Dependent repos

NebulaGraph5

Neo4j1,698

Github stars

NebulaGraph12,433

Neo4j17,272

Activity

Commits last 30d

NebulaGraph2

Neo4j48

Release

Cadence days

NebulaGraph74

Neo4j2

History

NebulaGraph20 items

Neo4j20 items

License

Spdx

NebulaGraphApache-2.0

Neo4jGPL-3.0

Language

Primary

NebulaGraphC++

Neo4jJava

Market

Availability

NebulaGraphAvailable worldwide · Popular in US · HQ US

Neo4jAvailable worldwide

Content

Faq

NebulaGraph8 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	NebulaGraph	Neo4j
Model
Graph model	Property graph	Property graph
Query language(s)	nGQL, OpenCypher, ISO-GQL	Cypher
Transactions
ACID transactions	Full	Full
Consistency model	Strong	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	Built-in	Built-in
Built-in vector search	✓	✓
Licensing
Licence class	Permissive OSS	Source-available
Portability
openCypher / TinkerPop standard	✓	✓

Model

Graph model

NebulaGraphProperty graph

Neo4jProperty graph

Query language(s)

NebulaGraphnGQL, OpenCypher, ISO-GQL

Neo4jCypher

Transactions

ACID transactions

NebulaGraphFull

Neo4jFull

Consistency model

NebulaGraphStrong

Neo4jStrong

Architecture

Storage

NebulaGraphPluggable backend

Neo4jNative graph

Distributed / scale

NebulaGraphSharded

Neo4jClustered

Replication / HA

NebulaGraph✓

Neo4j✓

OLTP vs OLAP

NebulaGraphBoth

Neo4jBoth

Deployment

NebulaGraphSelf-hosted

Neo4jManaged

Full-text search

NebulaGraphBuilt-in

Neo4jBuilt-in

Built-in vector search

NebulaGraph✓

Neo4j✓

Licensing

Licence class

NebulaGraphPermissive OSS

Neo4jSource-available

Portability

openCypher / TinkerPop standard

NebulaGraph✓

Neo4j✓

What each one is

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

NebulaGraph

An open-source, distributed graph database system designed to query large relationship networks with millisecond latency while supporting complex graph analytics and high availability across multiple nodes.

Independently observed

Neo4j

Leader

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.

NebulaGraph

from $0.35/moHybridFree tier14-day trial

Free open-source edition; enterprise licensing and managed cloud options available

Open-source EditionFree
- Subset of core features
- Graph query language support (nGQL/openCypher, ISO-GQL)
- Graph algorithms and analytics
- Community support
Enterprise EditionContact sales
- Enhanced performance
- Enterprise-grade stability and security
- Premium support service
- Multiple deployment methods
- Advanced features: REST API, vector search, multi-graph queries, plugin management
- +3 more
NebulaGraph CloudFrom $0.35/hour (beta pricing with 70% discount); 14-day free trial
- One-click deployment and scaling
- High availability with multi-data center replication
- Automatic backup and restoration
- Integrated visualization tools (Nebula Studio, Explorer, Dashboard)
- Fine-grained access control

as of 2026-08-14verify ↗

Neo4j

Leader

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	NebulaGraph	Neo4j
WebPlatforms	✓	✓
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓
HybridDeployment	✗	✓

Platforms

Web

NebulaGraph✓

Neo4j✓

Linux

NebulaGraph✓

Neo4j✗

CLI

NebulaGraph✓

Neo4j✓

Deployment

Cloud / SaaS

NebulaGraph✓

Neo4j✓

Self-hosted

NebulaGraph✓

Neo4j✓

On-premise

NebulaGraph✗

Neo4j✓

Hybrid

NebulaGraph✗

Neo4j✓

Integrations

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

NebulaGraph

8 total

Azure Marketplace
AWS (planned)
Google Cloud Platform (planned)
Nebula Studio
Nebula Explorer
Nebula Dashboard
ElasticSearch
HDFS

Independently observed

Neo4j

Leader

9 total

Spring Framework
GraphQL
StepZen
Apache Kafka
Apache Spark
Couchbase
Kafka
JDBC
LDAP

Independently observed

Still deciding?

NebulaGraph 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.