Comparison

NebulaGraph vs OrientDB

On the evidence we track, OrientDB 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 →OrientDB full profile →

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NebulaGraph41

★OrientDB55

Attribute comparison across 2 tools
Attribute	NebulaGraph	OrientDBLeader
Vioscale score	41 / 100medium · 61%	55 / 100high · 78%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	low	high
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	7	1
Security
Gdprsecurity.gdpr	✓	-
Scorecardsecurity.scorecard	6.2	6.3
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: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.orientechnologies%3Aorientdb-client&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	5	569
Github starsadoption.github_stars	12,365	4,983
Package downloads weeklyadoption.package_downloads_weekly	-	550
Activity
Commits last 30dactivity.commits_last_30d	0	62
Release
Cadence daysrelease.cadence_days	74	34
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	Apache-2.0	Apache-2.0
Language
Primarylanguage.primary	C++	Java
Market
Availabilitymarket.availability	Available worldwide · Popular in US · HQ US	Available worldwide

Score

Vioscale score

NebulaGraph41 / 100medium · 61%

OrientDB55 / 100high · 78%

Pricing

Free tier

NebulaGraph✓

OrientDB✓

Model

NebulaGraphcommercial

OrientDBfreemium

Price level

NebulaGraphlow

OrientDBhigh

Transparent

NebulaGraph✗

OrientDB✓

Integrations

Count

NebulaGraph7

OrientDB1

Security

Gdpr

NebulaGraph✓

OrientDB–

Scorecard

NebulaGraph6.2

OrientDB6.3

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

OrientDBCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.orientechnologies%3Aorientdb-client&per_page=100 · Last 12m: 0

Reliability

Status page

NebulaGraph–

OrientDB✓

Adoption

Dependent repos

NebulaGraph5

OrientDB569

Github stars

NebulaGraph12,365

OrientDB4,983

Package downloads weekly

NebulaGraph–

OrientDB550

Activity

Commits last 30d

NebulaGraph0

OrientDB62

Release

Cadence days

NebulaGraph74

OrientDB34

History

NebulaGraph20 items

OrientDB20 items

License

Spdx

NebulaGraphApache-2.0

OrientDBApache-2.0

Language

Primary

NebulaGraphC++

OrientDBJava

Market

Availability

NebulaGraphAvailable worldwide · Popular in US · HQ US

OrientDBAvailable worldwide

Capabilities

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

Capability comparison for Graph Databases
Capability	NebulaGraph	OrientDB
Model
Graph model	Property graph	Property graph
Query language(s)	nGQL, OpenCypher, ISO-GQL	Orient SQL (implied)
Transactions
ACID transactions	Full	Full
Consistency model	Strong	-
Architecture
Storage	Pluggable backend	Native graph
Distributed / scale	Sharded	Clustered
Replication / HA	✓	✓
OLTP vs OLAP	Both	Both
Deployment
Deployment	Self-hosted	Self-hosted
Search
Full-text search	Built-in	Via index
Built-in vector search	✓	✗
Licensing
Licence class	Permissive OSS	-
Portability
openCypher / TinkerPop standard	✓	✓

Model

Graph model

NebulaGraphProperty graph

OrientDBProperty graph

Query language(s)

NebulaGraphnGQL, OpenCypher, ISO-GQL

OrientDBOrient SQL (implied)

Transactions

ACID transactions

NebulaGraphFull

OrientDBFull

Consistency model

NebulaGraphStrong

OrientDB-

Architecture

Storage

NebulaGraphPluggable backend

OrientDBNative graph

Distributed / scale

NebulaGraphSharded

OrientDBClustered

Replication / HA

NebulaGraph✓

OrientDB✓

OLTP vs OLAP

NebulaGraphBoth

OrientDBBoth

Deployment

NebulaGraphSelf-hosted

OrientDBSelf-hosted

Full-text search

NebulaGraphBuilt-in

OrientDBVia index

Built-in vector search

NebulaGraph✓

OrientDB✗

Licensing

Licence class

NebulaGraphPermissive OSS

OrientDB-

Portability

openCypher / TinkerPop standard

NebulaGraph✓

OrientDB✓

What each one is

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

NebulaGraph

NebulaGraph is a distributed graph database built for processing complex relationship data with millisecond latency. It enables fraud detection, recommendations, knowledge graphs, and real-time analytics across large interconnected datasets for enterprises.

Independently observed

OrientDB

Leader

An open-source NoSQL database that combines graph and document data models in one scalable platform, optimized for high-performance operations with physical record linkage and millisecond-level graph traversal regardless of database size.

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 ↗

OrientDB

Leader

from €1000/moHybridFree tier

Free open-source. Paid support from €1,000/month.

CommunityFree
- Discussion
- Issue Tracker
- Documentation
Basic€1,000/month
- Direct Support by mail
- Query Support
Advanced€4,000/month
- Support on Upgrade
- Emergency Patch
- Security Escalation
- Application Model Definition
ConsultancyContact sales
- On Site Support
- Custom consultancy

as of 2026-08-14verify ↗

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	OrientDB
WebPlatforms	✗	✓
macOSPlatforms	✗	✓
WindowsPlatforms	✗	✓
LinuxPlatforms	✓	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✓	✓

Platforms

Web

NebulaGraph✗

OrientDB✓

macOS

NebulaGraph✗

OrientDB✓

Windows

NebulaGraph✗

OrientDB✓

Linux

NebulaGraph✓

OrientDB✓

CLI

NebulaGraph✓

OrientDB✓

Deployment

Cloud / SaaS

NebulaGraph✓

OrientDB✗

Self-hosted

NebulaGraph✓

OrientDB✓

Integrations

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

NebulaGraph

7 total

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

Independently observed

OrientDB

Leader

1 total

Gremlin Server (TinkerPop)

Independently observed

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