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Head-to-head · Graph Databases

Amazon Neptune vs ArcadeDB

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Amazon Neptune #2 in Graph Databases 9.2/10 30-day trial Free trial✓ 3 of 3 features Visit Amazon Neptune
ArcadeDB #17 in Graph Databases 7.2/10 Free plan Free plan✓ 3 of 3 features Visit ArcadeDB

Amazon Neptune leads on 0 checks, ArcadeDB on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAmazon Neptune · 9.2/10
  • Free planonly ArcadeDB
  • Free trialonly Amazon Neptune

Amazon Neptune scores higher on our rubric for graph databases: 9.2 against 7.2 out of 10; our editors rank them #2 and #17.

ArcadeDB offers free plan; Amazon Neptune doesn't. On deployment, ArcadeDB gives you Self_hosted where Amazon Neptune offers Cloud.

Amazon Neptune is the better fit for managed AWS graph deployments. ArcadeDB is the better fit for multi-model and protocol compatibility.

  • Amazon Neptune fits best

    Managed AWS graph deployments

  • ArcadeDB fits best

    Multi-model and protocol compatibility

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Side by side

Feature Amazon Neptune 9.2/10 Visit ↗ ArcadeDB 7.2/10 Visit ↗
At a glance
Editor score 9.2 7.2
Ranking #2 in Graph Databases #17 in Graph Databases
Best for Managed AWS graph deployments Multi-model and protocol compatibility
Pricing model Paid Free plan + paid
Starting price — $19.99/unit/mo
Free plan — ✓ (best)
Free trial 30 days —
Deployment Cloud Self-hosted
Platforms Web Web, Windows, macOS, Linux
Support Docs Email, Community, Docs · 24/7
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Amazon Neptune 3/3 · ArcadeDB 3/3
ACID transactions ✓ ✓
Graph algorithms ✓ ✓
Vector search ✓ ✓
Specs
Deployment Cloud Self_hosted
Query languages Gremlin, openCypher, SPARQL SQL, Cypher, Gremlin, GraphQL, MongoDB Query Language, Redis commands
Included storage Not checked yet Not checked yet
Our review
Pros
  • Supports Gremlin, openCypher, and SPARQL query languages
  • Includes read replicas, Multi-AZ failover, and point-in-time recovery
  • Adds graph algorithms and vector similarity search through Neptune Analytics
  • Full feature set available in the Apache 2.0 Community edition
  • Supports six query interfaces and multiple database wire protocols
  • Combines graph, vector, document, key/value, and other data models
Cons
  • Uses usage-based pricing rather than fixed subscription plans
  • Requires AWS ecosystem fit for its integrations and access controls
  • Neptune Analytics is separate from the core managed database service
  • Paid database support tiers start at $299 per server monthly
  • The broad feature set may be more than graph-only projects need
  • Advanced support coverage is reserved for higher-priced tiers
Our verdict

Amazon Neptune is a fully managed graph database service for applications built on highly connected datasets. It supports property graphs through Gremlin and openCypher, as well as RDF graphs through SPARQL. That makes it suitable for…

Read the review →

ArcadeDB is an open-source multi-model database for teams that need graph storage alongside document, key/value, full-text, vector, time-series, or geospatial data. It supports SQL, Cypher, Gremlin, GraphQL, MongoDB QL, and Redis commands,…

Read the review →
  1. Amazon NeptuneGraph Databases 9.230-day trial
  2. ArcadeDBGraph Databases 7.2Free plan

Strengths and trade-offs

  • Amazon Neptune — where it wins

    • Supports Gremlin, openCypher, and SPARQL query languages
    • Includes read replicas, Multi-AZ failover, and point-in-time recovery
    • Adds graph algorithms and vector similarity search through Neptune Analytics

    Where it doesn't

    • Uses usage-based pricing rather than fixed subscription plans
    • Requires AWS ecosystem fit for its integrations and access controls
    • Neptune Analytics is separate from the core managed database service

  • ArcadeDB — where it wins

    • Full feature set available in the Apache 2.0 Community edition
    • Supports six query interfaces and multiple database wire protocols
    • Combines graph, vector, document, key/value, and other data models

    Where it doesn't

    • Paid database support tiers start at $299 per server monthly
    • The broad feature set may be more than graph-only projects need
    • Advanced support coverage is reserved for higher-priced tiers

More comparisons

All graph databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update