vioscale
Comparison

Amazon Neptune vs Kùzu

On the evidence we track, Amazon Neptune leads this comparison with a composite score of 45/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Amazon Neptune full profile →Kùzu full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
★Amazon Neptune45
Kùzu38
Score
Vioscale score
Amazon Neptune45 / 100medium · 56%
Kùzu38 / 100medium · 66%
Pricing
Free tier
Amazon Neptune✗
Kùzu✓
Model
Amazon Neptunecommercial
Kùzuopen_source
Price level
Amazon Neptuneunknown
Kùzufree
Transparent
Amazon Neptune✓
Kùzu✓
Integrations
Count
Amazon Neptune2
Kùzu–
Security
Disclosure policy
Amazon Neptune✓
Kùzu–
Vulnerabilities
Reliability
Status page
Amazon Neptune✓
Kùzu–
Adoption
Dependent repos
Amazon Neptune–
Kùzu1
Github stars
Amazon Neptune–
Kùzu4,026
Package downloads weekly
Amazon Neptune–
Kùzu96,675
Activity
Commits last 30d
Amazon Neptune–
Kùzu0
Release
Cadence days
Amazon Neptune–
Kùzu31
History
Amazon Neptune–
Kùzu20 items
License
Spdx
Amazon Neptune–
KùzuMIT
Language
Primary
Amazon Neptune–
KùzuC++
Market
Availability
Amazon NeptuneAvailable worldwide · Popular in US
Kùzu–

Capabilities

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

Model
Graph model
Amazon NeptuneMulti-model
KùzuProperty graph
Query language(s)
Amazon NeptuneGremlin, openCypher, SPARQL
KùzuCypher
Transactions
ACID transactions
Amazon NeptuneFull
KùzuFull
Consistency model
Amazon Neptune-
KùzuStrong
Architecture
Storage
Amazon Neptune-
KùzuNative graph
Distributed / scale
Amazon NeptuneSharded
KùzuSingle-node
Replication / HA
Amazon Neptune✓
Kùzu-
OLTP vs OLAP
Amazon NeptuneBoth
KùzuBoth
Deployment
Deployment
Amazon NeptuneManaged
KùzuEmbedded
Search
Full-text search
Amazon NeptuneNone
KùzuBuilt-in
Built-in vector search
Amazon Neptune✓
Kùzu✓
Licensing
Licence class
Amazon NeptuneProprietary
KùzuPermissive OSS
Portability
openCypher / TinkerPop standard
Amazon Neptune✓
Kùzu✓

What each one is

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

Amazon Neptune

Leader

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

Kùzu

A serverless graph database that can be embedded directly into applications. It supports the Cypher query language, includes native full-text and vector search capabilities, and is optimized for complex analytical workloads with ACID transaction support.

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
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 ↗

Kùzu

Open sourceFree tier

Open source, MIT licensed

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✓
Kùzu✗
CLI
Amazon Neptune✓
Kùzu✓
Deployment
Cloud / SaaS
Amazon Neptune✓
Kùzu✗
Self-hosted
Amazon Neptune✗
Kùzu✓

Integrations

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

Amazon Neptune

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

Kùzu

Not documented yet.

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