Comparison

Memgraph vs NebulaGraph

On the evidence we track, Memgraph 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.

Memgraph full profile →NebulaGraph full profile →

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

★Memgraph55

NebulaGraph41

Attribute comparison across 2 tools
Attribute	MemgraphLeader	NebulaGraph
vioscaleAI score	55 / 100medium · 58%	41 / 100medium · 67%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	free	open_source
Price levelpricing.price_level	free	free
Transparentpricing.transparent	✗	✗
Integrations
Countintegrations.count	9	7
Security
Gdprsecurity.gdpr	✓	✓
Scorecardsecurity.scorecard	-	5.7
Trust centersecurity.trust_center	-	https://nebula-graph.io/posts/bridging-compliance-and-security-graph-technology-for-stablecoin-transaction-monitoring
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=memgraph%2Fmemgraph-mcp&per_page=100 · Last 12m: 0	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
Reliability
Sla pctreliability.sla_pct	-	99.999
Adoption
Dependent reposadoption.dependent_repos	0	5
Github starsadoption.github_stars	4,617	12,433
Activity
Commits last 30dactivity.commits_last_30d	100	2
Release
Cadence daysrelease.cadence_days	18	74
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	C++	C++
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · Popular in US · HQ US
Content
Faqcontent.faq	7 items	8 items

Score

vioscaleAI score

Memgraph55 / 100medium · 58%

NebulaGraph41 / 100medium · 67%

Pricing

Free tier

Memgraph✓

NebulaGraph✓

Model

Memgraphfree

NebulaGraphopen_source

Price level

Memgraphfree

NebulaGraphfree

Transparent

Memgraph✗

NebulaGraph✗

Integrations

Count

Memgraph9

NebulaGraph7

Security

Gdpr

Memgraph✓

NebulaGraph✓

Scorecard

Memgraph–

NebulaGraph5.7

Trust center

Memgraph–

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

Vulnerabilities

MemgraphCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=memgraph%2Fmemgraph-mcp&per_page=100 · Last 12m: 0

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

Reliability

Sla pct

Memgraph–

NebulaGraph99.999

Adoption

Dependent repos

Memgraph0

NebulaGraph5

Github stars

Memgraph4,617

NebulaGraph12,433

Activity

Commits last 30d

Memgraph100

NebulaGraph2

Release

Cadence days

Memgraph18

NebulaGraph74

History

Memgraph20 items

NebulaGraph20 items

License

Spdx

Memgraph–

NebulaGraphApache-2.0

Language

Primary

MemgraphC++

NebulaGraphC++

Market

Availability

MemgraphAvailable worldwide

NebulaGraphAvailable worldwide · Popular in US · HQ US

Content

Faq

Memgraph7 items

NebulaGraph8 items

Capabilities

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

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

Model

Graph model

MemgraphProperty graph

NebulaGraphProperty graph

Query language(s)

MemgraphCypher

NebulaGraphnGQL, OpenCypher, ISO-GQL

Transactions

ACID transactions

MemgraphFull

NebulaGraphFull

Consistency model

MemgraphStrong

NebulaGraphStrong

Architecture

Storage

MemgraphNative graph

NebulaGraphPluggable backend

Distributed / scale

MemgraphClustered

NebulaGraphSharded

Replication / HA

Memgraph✓

NebulaGraph✓

OLTP vs OLAP

MemgraphBoth

NebulaGraphBoth

Deployment

MemgraphSelf-hosted

NebulaGraphSelf-hosted

Full-text search

MemgraphBuilt-in

NebulaGraphBuilt-in

Built-in vector search

Memgraph✓

NebulaGraph✓

Licensing

Licence class

MemgraphPermissive OSS

NebulaGraphPermissive OSS

Portability

openCypher / TinkerPop standard

Memgraph✓

NebulaGraph✓

What each one is

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

Memgraph

Leader

A high-performance, in-memory database designed for real-time graph queries and reasoning in AI applications. It combines sub-millisecond traversals with native vector search, ACID transactions, and streaming data connectors for fraud detection, network analysis, and AI augmentation.

Independently observed

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

Pricing

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

Memgraph

Leader

FreeFree tier

Community Edition is free. Enterprise and managed cloud pricing available upon request.

Community EditionFree
- Cypher query language
- Python client libraries
- LangChain and LlamaIndex integrations
- 40+ graph algorithms

as of 2026-10-15verify ↗

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 ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Memgraph	NebulaGraph
WebPlatforms	✓	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓

Platforms

Web

Memgraph✓

NebulaGraph✓

macOS

Memgraph✓

NebulaGraph✗

Windows

Memgraph✓

NebulaGraph✗

Linux

Memgraph✓

NebulaGraph✓

CLI

Memgraph✓

NebulaGraph✓

Deployment

Cloud / SaaS

Memgraph✓

NebulaGraph✓

Self-hosted

Memgraph✓

NebulaGraph✓

Integrations

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

Memgraph

Leader

15 total

Kafka
Pulsar
Redpanda
Cognee
AWS (via Marketplace)
LangChain
LlamaIndex
OpenAI
Cohere
Apache Spark
Kerberos
LDAP
MCP
LiteLLM
Neo4j

Independently observed

NebulaGraph

8 total

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

Independently observed

Still deciding?

Memgraph or NebulaGraph: 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.