vioscaleAI
Comparison

Amazon Neptune vs Neo4j

No clear leader: Amazon Neptune (58.1) and Neo4j (54.9) 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 →Neo4j full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Amazon Neptune58
Neo4j55
Score
vioscaleAI score
Amazon Neptune58 / 100medium · 73%
Neo4j55 / 100medium · 69%
Pricing
Free tier
Amazon Neptune✓
Neo4j✓
Model
Amazon Neptunefreemium
Neo4jfreemium
Price level
Amazon Neptunelow
Neo4jlow
Starting price
Amazon Neptune$0.15
Neo4j–
Transparent
Amazon Neptune✗
Neo4j✗
Integrations
Count
Amazon Neptune4
Neo4j8
Security
Certifications
Amazon NeptuneSOC 2, FedRAMP, HIPAA
Neo4j–
Disclosure policy
Amazon Neptune✓
Neo4j✓
Fedramp
Amazon Neptune✓
Neo4j–
Gdpr
Amazon Neptune✓
Neo4j✓
Hipaa
Amazon Neptune✓
Neo4j✓
Pci
Amazon Neptune✓
Neo4j–
Scorecard
Amazon Neptune–
Neo4j4.4
Soc2
Amazon Neptune✓
Neo4j–
Trust center
Vulnerabilities
Reliability
Sla pct
Amazon Neptune–
Neo4j99.95
Status page
Amazon Neptune✓
Neo4j✓
Adoption
Dependent repos
Amazon Neptune–
Neo4j1,698
Github stars
Amazon Neptune–
Neo4j17,272
Activity
Commits last 30d
Amazon Neptune–
Neo4j48
Release
Cadence days
Amazon Neptune–
Neo4j2
History
Amazon Neptune–
Neo4j20 items
License
Spdx
Amazon Neptune–
Neo4jGPL-3.0
Language
Primary
Amazon Neptune–
Neo4jJava
Market
Availability
Content
Faq
Amazon Neptune5 items
Neo4j7 items

Capabilities

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

Model
Graph model
Amazon NeptuneMulti-model
Neo4jProperty graph
Query language(s)
Amazon NeptuneGremlin, openCypher, SPARQL
Neo4jCypher
Transactions
ACID transactions
Amazon NeptuneFull
Neo4jFull
Consistency model
Amazon Neptune-
Neo4jStrong
Architecture
Storage
Amazon Neptune-
Neo4jNative graph
Distributed / scale
Amazon NeptuneSharded
Neo4jClustered
Replication / HA
Amazon Neptune✓
Neo4j✓
OLTP vs OLAP
Amazon NeptuneBoth
Neo4jBoth
Deployment
Deployment
Amazon NeptuneManaged
Neo4jManaged
Search
Full-text search
Amazon NeptuneNone
Neo4jBuilt-in
Built-in vector search
Amazon Neptune✓
Neo4j✓
Licensing
Licence class
Amazon NeptuneProprietary
Neo4jSource-available
Portability
openCypher / TinkerPop standard
Amazon Neptune✓
Neo4j✓

What each one is

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

Amazon Neptune

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

Neo4j

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.

Amazon Neptune

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 ↗

Neo4j

SubscriptionFree tier
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✓
Neo4j✓
CLI
Amazon Neptune✓
Neo4j✓
Deployment
Cloud / SaaS
Amazon Neptune✓
Neo4j✓
Self-hosted
Amazon Neptune✗
Neo4j✓
On-premise
Amazon Neptune✗
Neo4j✓
Hybrid
Amazon Neptune✗
Neo4j✓

Integrations

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

Amazon Neptune

6 total
  • Amazon Bedrock Knowledge Bases
  • Strands AI Agents SDK
  • Amazon Bedrock
  • LangChain
  • Strands AI
  • GraphStorm
Independently observed

Neo4j

9 total
  • Spring Framework
  • GraphQL
  • StepZen
  • Apache Kafka
  • Apache Spark
  • Couchbase
  • Kafka
  • JDBC
  • LDAP
Independently observed
Still deciding?

Amazon Neptune 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.