vioscale
Comparison

Amazon Neptune vs NebulaGraph

No clear leader: Amazon Neptune (44.9) and NebulaGraph (40.8) 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.

Amazon Neptune full profile →NebulaGraph full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Amazon Neptune45
NebulaGraph41
Score
Vioscale score
Amazon Neptune45 / 100medium · 56%
NebulaGraph41 / 100medium · 61%
Pricing
Free tier
Amazon Neptune✗
NebulaGraph✓
Model
Amazon Neptunecommercial
NebulaGraphcommercial
Price level
Amazon Neptuneunknown
NebulaGraphlow
Transparent
Amazon Neptune✓
NebulaGraph✗
Integrations
Count
Amazon Neptune2
NebulaGraph7
Security
Disclosure policy
Amazon Neptune✓
NebulaGraph–
Gdpr
Amazon Neptune–
NebulaGraph✓
Scorecard
Amazon Neptune–
NebulaGraph6.2
Vulnerabilities
Reliability
Status page
Amazon Neptune✓
NebulaGraph–
Adoption
Dependent repos
Amazon Neptune–
NebulaGraph5
Github stars
Amazon Neptune–
NebulaGraph12,365
Activity
Commits last 30d
Amazon Neptune–
NebulaGraph0
Release
Cadence days
Amazon Neptune–
NebulaGraph74
History
Amazon Neptune–
NebulaGraph20 items
License
Spdx
Amazon Neptune–
NebulaGraphApache-2.0
Language
Primary
Amazon Neptune–
NebulaGraphC++
Market
Availability

Capabilities

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

Model
Graph model
Amazon NeptuneMulti-model
NebulaGraphProperty graph
Query language(s)
Amazon NeptuneGremlin, openCypher, SPARQL
NebulaGraphnGQL, OpenCypher, ISO-GQL
Transactions
ACID transactions
Amazon NeptuneFull
NebulaGraphFull
Consistency model
Amazon Neptune-
NebulaGraphStrong
Architecture
Storage
Amazon Neptune-
NebulaGraphPluggable backend
Distributed / scale
Amazon NeptuneSharded
NebulaGraphSharded
Replication / HA
Amazon Neptune✓
NebulaGraph✓
OLTP vs OLAP
Amazon NeptuneBoth
NebulaGraphBoth
Deployment
Deployment
Amazon NeptuneManaged
NebulaGraphSelf-hosted
Search
Full-text search
Amazon NeptuneNone
NebulaGraphBuilt-in
Built-in vector search
Amazon Neptune✓
NebulaGraph✓
Licensing
Licence class
Amazon NeptuneProprietary
NebulaGraphPermissive OSS
Portability
openCypher / TinkerPop standard
Amazon Neptune✓
NebulaGraph✓

What each one is

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

Amazon Neptune

A cloud-based graph database that scales serverlessly and analyzes relationships across structured and unstructured data. Designed to improve AI application accuracy through integrated GraphRAG capabilities and support for agentic memory tools.

Independently observed

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

Pricing

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

Amazon Neptune

Hybrid

Pay-as-you-go pricing with on-demand, serverless, and savings plan options. No minimum fees or upfront commitments for on-demand/serverless.

  • On-demandPay-as-you-go with no commitments
    • No minimum fees
    • No upfront commitments
    • Flexible configuration
  • ServerlessServerless with automatic scaling
    • Automatic scaling
    • No minimum fees
    • No upfront commitments
  • Database Savings PlansUsage-based savings plan with 1-year commitment
    • Savings vs. on-demand
    • 1-year commitment
  • Neptune AnalyticsPer m-NCU-hour billing with pause option
    • Fast analytics on billions of connections
    • In-memory storage
    • Optimized graph algorithms
    • Low-latency queries
    • Vector search
    • +1 more
as of verify ↗

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 verify ↗

Platform & deployment

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

Platforms
Web
Amazon Neptune✓
NebulaGraph✗
Linux
Amazon Neptune✗
NebulaGraph✓
CLI
Amazon Neptune✓
NebulaGraph✓
Deployment
Cloud / SaaS
Amazon Neptune✓
NebulaGraph✓
Self-hosted
Amazon Neptune✗
NebulaGraph✓

Integrations

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

Amazon Neptune

2 total
  • Amazon Bedrock Knowledge Bases
  • Strands AI Agents SDK
Independently observed

NebulaGraph

7 total
  • Azure Marketplace
  • AWS (planned)
  • Google Cloud Platform (planned)
  • Nebula Studio
  • Nebula Explorer
  • Nebula Dashboard
  • ElasticSearch
Independently observed

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