# Amazon Neptune vs JanusGraph

| Attribute | Amazon Neptune | JanusGraph |
|---|---|---|
| **vioscaleAI score** | 58.1 (73% (medium)) | 54.1 (67% (medium)) |
| activity.commits_last_30d | - | 97 |
| adoption.dependent_repos | - | 250 |
| adoption.github_stars | - | 5,855 |
| content.faq | `[{"answer":"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. It is indexed under Graph Databases.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"What is Amazon Neptune?","confidence":0.6},{"answer":"Amazon Neptune is sold across 4 plans: On-demand, Serverless, Database Savings Plans and Neptune Analytics. We have not confirmed a published price for every tier. There is no free tier. Pricing changes often, so verify at source before relying on it.","source":"https://aws.amazon.com/neptune/","question":"How much does Amazon Neptune cost?","confidence":0.6},{"answer":"Amazon Neptune supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"What platforms does Amazon Neptune support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Amazon Neptune, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"Can Amazon Neptune be self-hosted?","confidence":0.6},{"answer":"Amazon Neptune is available worldwide. Its primary market is the United States.","source":"https://aws.amazon.com/sagemaker/pricing/?nc2=h_pr_sgm","question":"Where is Amazon Neptune available?","confidence":0.5}]` | `[{"answer":"A database system that stores and queries extremely large graphs spread across multiple machines, enabling many users to run complex lookups simultaneously with strong transaction guarantees and support for batch analytics. It is indexed under Graph Databases.","source":"https://janusgraph.org","question":"What is JanusGraph?","confidence":0.6},{"answer":"JanusGraph is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://janusgraph.org","question":"Is JanusGraph free to use?","confidence":0.6},{"answer":"JanusGraph supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://janusgraph.org","question":"What platforms does JanusGraph support?","confidence":0.6},{"answer":"Yes. JanusGraph can be deployed on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://janusgraph.org","question":"Can JanusGraph be self-hosted?","confidence":0.6},{"answer":"We have confirmed 14 integrations for JanusGraph, including Apache Cassandra, Apache HBase, Google Cloud Bigtable, Oracle BerkeleyDB, ScyllaDB, Elasticsearch, Apache Solr and Apache Lucene, plus 6 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://janusgraph.org","question":"What does JanusGraph integrate with?","confidence":0.6}]` |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | 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. | A database system that stores and queries extremely large graphs spread across multiple machines, enabling many users to run complex lookups simultaneously with strong transaction guarantees and support for batch analytics. |
| features.capabilities | `{"workload":"both","deployment":"managed","distributed":"sharded","graph_model":"multi_model","licence_class":"proprietary","vector_search":true,"query_language":"Gremlin, openCypher, SPARQL","replication_ha":true,"full_text_search":"none","standard_support":true,"acid_transactions":"full"}` | `{"storage":"pluggable","workload":"both","deployment":"self_hosted","consistency":"tunable","distributed":"sharded","graph_model":"property_graph","licence_class":"permissive","query_language":"Gremlin","replication_ha":true,"full_text_search":"via_index","standard_support":true,"acid_transactions":"full"}` |
| integrations.count | 4 | 10 |
| integrations.list | `[{"name":"Amazon Bedrock Knowledge Bases"},{"name":"Strands AI Agents SDK"},{"name":"Amazon Bedrock","native":true,"category":"ai"},{"name":"LangChain","native":true},{"name":"Strands AI","native":true},{"name":"GraphStorm","native":true}]` | `[{"name":"Apache Cassandra"},{"name":"Apache HBase"},{"name":"Google Cloud Bigtable"},{"name":"Oracle BerkeleyDB"},{"name":"ScyllaDB"},{"name":"Elasticsearch"},{"name":"Apache Solr"},{"name":"Apache Lucene"},{"name":"Apache Spark"},{"name":"Aerospike"},{"name":"DynamoDB"},{"name":"FoundationDB"},{"name":"Gremlin"},{"name":"Apache TinkerPop"},{"name":"Arcade Analytics"},{"name":"Graphexp"},{"name":"Graph Explorer"},{"name":"Graphlytic"},{"name":"ReGraph"},{"name":"Cassandra","native":true,"category":"storage"},{"name":"HBase","native":true,"category":"storage"},{"name":"Bigtable","native":true,"category":"storage"},{"name":"Amazon Managed KeySpace","native":true,"category":"storage"},{"name":"Solr","native":true,"category":"indexing"},{"name":"Lucene","native":true,"category":"indexing"}]` |
| language.primary | - | Java |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"On-demand","commitment":"monthly","components":[{"per":{"qty":1,"unit":"vCPU-Hour"},"kind":"metered","amount":0.15,"currency":"USD"}],"description":"Hourly billing with no upfront commitments or long-term contracts required","contactSales":false},{"free":false,"name":"Serverless","commitment":"monthly","description":"Automatic scaling that adjusts capacity to meet workload demands","contactSales":false},{"free":false,"name":"Database Savings Plan","commitment":"annual","description":"Commitment-based discount with 1-year contract term","contactSales":false}],"summary":"Usage-based pricing. Free tier for 30 days. Options: on-demand hourly, serverless per capacity unit, or annual savings plan.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/neptune/pricing/","retrievedAt":"2026-10-13T10:34:32.577Z","freeTrialDays":30,"startingPrice":{"unit":"vCPU-Hour","amount":0.15,"currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","summary":"Fully open source under Apache 2 license. No commercial licensing required.","freeTier":true,"sourceUrl":"https://janusgraph.org","retrievedAt":"2026-08-14T21:32:49.930Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":0.15,"currency":"USD"}` | - |
| pricing.transparent | no | yes |
| release.cadence_days | - | 74 |
| release.history | - | `[{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v1.1.0","date":"2024-11-09T01:29:58Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v1.0.1","date":"2024-11-08T21:41:28Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v1.0.0","date":"2023-10-22T02:40:57Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.6.4","date":"2023-10-09T05:14:24Z","type":"stable","version":"v0.6.4"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v1.0.0-rc2","date":"2023-02-26T14:20:07Z","type":"prerelease","version":"v1.0.0-rc2"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.6.3","date":"2023-02-20T22:06:55Z","type":"stable","version":"v0.6.3"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v1.0.0-rc1","date":"2022-12-08T09:15:08Z","type":"prerelease","version":"v1.0.0-rc1"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.6.2","date":"2022-05-31T09:35:37Z","type":"stable","version":"v0.6.2"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.6.1","date":"2022-01-19T12:51:43Z","type":"stable","version":"v0.6.1"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.6.0","date":"2021-09-03T12:33:53Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.5.3","date":"2020-12-25T12:09:56Z","type":"stable","version":"v0.5.3"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.5.2","date":"2020-05-06T00:49:42Z","type":"stable","version":"v0.5.2"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.5.1","date":"2020-04-04T17:21:58Z","type":"stable","version":"v0.5.1"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.5.0","date":"2020-03-12T05:40:36Z","type":"stable","version":"v0.5.0"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.4.1","date":"2020-01-15T16:40:54Z","type":"stable","version":"v0.4.1"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.3.3","date":"2020-01-14T17:40:44Z","type":"stable","version":"v0.3.3"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.4.0","date":"2019-07-02T19:27:38Z","type":"stable","version":"v0.4.0"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.3.2","date":"2019-06-17T14:29:03Z","type":"stable","version":"v0.3.2"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.2.3","date":"2019-05-22T01:26:16Z","type":"stable","version":"v0.2.3"},{"url":"https://github.com/JanusGraph/janusgraph/releases/tag/v0.2.2","date":"2018-10-09T18:04:43Z","type":"stable","version":"v0.2.2"}]` |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"SOC 2","status":"active"},{"name":"FedRAMP","level":"Moderate and High","status":"active"},{"name":"HIPAA","status":"active"}]` | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 6.4 |
| security.soc2 | yes | - |
| security.trust_center | https://aws.amazon.com/security/ | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.janusgraph%3Ajanusgraph-core&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Graph Databases)

| Capability | Amazon Neptune | JanusGraph |
|---|:--:|:--:|
| **Model** |  |  |
| Graph model | Multi-model | Property graph |
| Query language(s) | Gremlin, openCypher, SPARQL | Gremlin |
| **Transactions** |  |  |
| ACID transactions | Full | Full |
| Consistency model | - | Tunable |
| **Architecture** |  |  |
| Storage | - | Pluggable backend |
| Distributed / scale | Sharded | Sharded |
| Replication / HA | ✓ | ✓ |
| OLTP vs OLAP | Both | Both |
| **Deployment** |  |  |
| Deployment | Managed | Self-hosted |
| **Search** |  |  |
| Full-text search | None | Via index |
| Built-in vector search | ✓ | - |
| **Licensing** |  |  |
| Licence class | Proprietary | Permissive OSS |
| **Portability** |  |  |
| openCypher / TinkerPop standard | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T07:33:32.696Z. "-" = undocumented, not absent.*