Comparison

Amazon Neptune vs Kùzu

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.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Amazon Neptune58
Kùzu37
Score
vioscaleAI score
Amazon Neptune58 / 100medium · 73%
Kùzu37 / 100medium · 65%
Pricing
Free tier
Amazon Neptune✓
Kùzu✓
Model
Amazon Neptunefreemium
Kùzuopen_source
Price level
Amazon Neptunelow
Kùzufree
Starting price
Amazon Neptune$0.15
Kùzu–
Transparent
Amazon Neptune✗
Kùzu✓
Integrations
Count
Amazon Neptune4
Kùzu3
Security
Certifications
Amazon NeptuneSOC 2, FedRAMP, HIPAA
Kùzu–
Disclosure policy
Amazon Neptune✓
Kùzu–
Fedramp
Amazon Neptune✓
Kùzu–
Gdpr
Amazon Neptune✓
Kùzu–
Hipaa
Amazon Neptune✓
Kùzu–
Pci
Amazon Neptune✓
Kùzu–
Soc2
Amazon Neptune✓
Kùzu–
Trust center
Kùzu–
Vulnerabilities
Amazon Neptune–
KùzuCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=kuzu&per_page=100 · Last 12m: 0
Reliability
Status page
Amazon Neptune✓
Kùzu–
Adoption
Dependent repos
Amazon Neptune–
Kùzu1
Github stars
Amazon Neptune–
Kùzu4,021
Package downloads weekly
Amazon Neptune–
Kùzu85,242
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
Kùzu–
Content
Faq
Amazon Neptune5 items
Kùzu5 items

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 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

Kùzu

Kuzu is an in-application graph database designed for rapid query processing on large analytical datasets. It provides native full-text and vector search functionality.

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 ↗

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✓
iOS
Amazon Neptune✗
Kùzu✓
Android
Amazon Neptune✗
Kùzu✓
macOS
Amazon Neptune✗
Kùzu✓
Windows
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
6 total
  • Amazon Bedrock Knowledge Bases
  • Strands AI Agents SDK
  • Amazon Bedrock
  • LangChain
  • Strands AI
  • GraphStorm
Independently observed

Kùzu

3 total
  • Delta Lake
  • Azure
  • Google Cloud Storage
Independently observed
Still deciding?

Amazon Neptune or Kùzu: 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.