Amazon Neptune

Web · API

Freedom report

One barScore 5.7

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Amazon Neptune is ranked #60 of 74 in database software on Freedom251. It runs on API, Web. There is no free plan. A free trial is offered.

Amazon Neptune plans and pricing

All plans

On-demand Not published By the hour for database instances; storage and I/O are billed separately. No minimum fees · No upfront fees · Cost varies by configuration and AWS Region aws.amazon.com · 3 Oct 2026

Serverless Not published 1 NCU starting capacity · Up to 15 read replicas aws.amazon.com · 22 Sept 2026

Database Savings Plans Not published Flexible pricing model · One-year commitment · Usage measured in dollars per hour aws.amazon.com · 22 Sept 2026

Neptune Serverless Not published Per second for database capacity, plus storage while active. Neptune Database only · Capacity measured in NCUs · Starting capacity 1 NCU aws.amazon.com · 3 Oct 2026

Database Savings Plans Not published Commit to a specific amount of eligible usage, measured in $/hour, over a 1-year term. Savings depend on commitment and eligible usage aws.amazon.com · 3 Oct 2026

Compared on database software

Free plan: No
Vector search: Yes

Best Amazon Neptune alternatives

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The record

Product: Amazon Neptune is a fully managed graph database service for building and running applications that work with connected data.
Query languages: Neptune supports Apache TinkerPop Gremlin, openCypher, and SPARQL.
Serverless scaling: Neptune Serverless automatically scales database capacity up or down with workload demand and is available for Neptune Database.
Storage limit: Neptune Database storage can grow to a maximum of 128 TiB in supported AWS Regions, except China and GovCloud.
Read replicas: A Neptune Database cluster can have up to 15 read replicas.
Integrations: Neptune documentation describes integrations with AWS Glue, Amazon SageMaker AI, and AWS Lambda.
Graph notebooks: Neptune provides a managed Jupyter notebook environment hosted by SageMaker AI for running graph queries and visualizing results.
Encryption: Neptune supports encryption at rest using AWS Key Management Service keys and requires TLS 1.2 or later for connections.
Compliance: AWS states that Neptune has over 20 international compliance standards and is HIPAA eligible.
Security responsibility: AWS describes Neptune security as a shared responsibility: AWS protects the cloud infrastructure, while customers are responsible for security in the cloud.
Free trial: New Neptune customers can use specified Database instance hours, I/O requests, storage, and backup storage free for 30 days from creating their first Neptune Database cluster.
Neptune ML limits: Neptune ML is available only in Regions where Neptune and its dependent services are all supported.

Where it ranks on Freedom251

Best Database Software in 2026#60 of 74
Best Graph Databases in 2026#35 of 37

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Sources

aws.amazon.com/neptune/· checked 3 Oct 2026
aws.amazon.com/neptune/features/· checked 3 Oct 2026
aws.amazon.com/neptune/pricing/· checked 3 Oct 2026
docs.aws.amazon.com/neptune/latest/userguide/integrations.h· checked 3 Oct 2026
docs.aws.amazon.com/neptune/latest/userguide/security.html· checked 3 Oct 2026
docs.aws.amazon.com/neptune/latest/userguide/machine-learni· checked 3 Oct 2026