vioscaleAI
Comparison

Amazon Neptune vs NebulaGraph

On the evidence we track, Amazon Neptune leads this comparison with a composite score of 58/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Amazon Neptune full profile →NebulaGraph full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Amazon Neptune58
NebulaGraph41
Score
vioscaleAI score
Amazon Neptune58 / 100medium · 73%
NebulaGraph41 / 100medium · 67%
Pricing
Free tier
Amazon Neptune✓
NebulaGraph✓
Model
Amazon Neptunefreemium
NebulaGraphopen_source
Price level
Amazon Neptunelow
NebulaGraphfree
Starting price
Amazon Neptune$0.15
NebulaGraph–
Transparent
Amazon Neptune✗
NebulaGraph✗
Integrations
Count
Amazon Neptune4
NebulaGraph7
Security
Certifications
Amazon NeptuneSOC 2, FedRAMP, HIPAA
NebulaGraph–
Disclosure policy
Amazon Neptune✓
NebulaGraph–
Fedramp
Amazon Neptune✓
NebulaGraph–
Gdpr
Amazon Neptune✓
NebulaGraph✓
Hipaa
Amazon Neptune✓
NebulaGraph–
Pci
Amazon Neptune✓
NebulaGraph–
Scorecard
Amazon Neptune–
NebulaGraph5.7
Soc2
Amazon Neptune✓
NebulaGraph–
Trust center
Vulnerabilities
Reliability
Sla pct
Amazon Neptune–
NebulaGraph99.999
Status page
Amazon Neptune✓
NebulaGraph–
Adoption
Dependent repos
Amazon Neptune–
NebulaGraph5
Github stars
Amazon Neptune–
NebulaGraph12,433
Activity
Commits last 30d
Amazon Neptune–
NebulaGraph2
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
Content
Faq
Amazon Neptune5 items
NebulaGraph8 items

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

Leader

A fully managed, serverless graph database that automatically scales for handling billions of relationships. Supports standard query languages and provides ACID transactions, replication, and encryption to enhance AI applications with better context.

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.

Amazon Neptune

Leader
from $0.15/vCPU-HourUsage-basedFree tier30-day trial

Usage-based pricing. Free tier for 30 days. Options: on-demand hourly, serverless per capacity unit, or annual savings plan.

  • On-demand$0.15 per vCPU-Hour
  • Serverless-
  • Database Savings Plan-
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

Leader
6 total
  • Amazon Bedrock Knowledge Bases
  • Strands AI Agents SDK
  • Amazon Bedrock
  • LangChain
  • Strands AI
  • GraphStorm
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?

Amazon Neptune 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.