# Amazon Neptune vs Kùzu

**Leader by vioscaleAI score:** Amazon Neptune

| Attribute | Amazon Neptune | Kùzu |
|---|---|---|
| **vioscaleAI score** | 58.1 (73% (medium)) | 36.8 (65% (medium)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 4,021 |
| adoption.package_downloads_weekly | - | 85,242 |
| 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 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. It is indexed under Graph Databases.","source":"https://kuzudb.com","question":"What is Kùzu?","confidence":0.6},{"answer":"Kùzu is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://kuzudb.com","question":"Is Kùzu free to use?","confidence":0.6},{"answer":"Kùzu supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://kuzudb.com","question":"What platforms does Kùzu support?","confidence":0.6},{"answer":"Yes. Kùzu can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://kuzudb.com","question":"Can Kùzu be self-hosted?","confidence":0.6},{"answer":"Yes. Kùzu is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/kuzudb/kuzu","question":"Is Kùzu open source?","confidence":0.99}]` |
| 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. | 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. |
| 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":"native","workload":"both","deployment":"embedded","consistency":"strong","distributed":"single_node","graph_model":"property_graph","licence_class":"permissive","vector_search":true,"query_language":"Cypher","full_text_search":"built_in","standard_support":true,"acid_transactions":"full"}` |
| integrations.count | 4 | 3 |
| 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":"Delta Lake","native":true},{"name":"Azure","native":true},{"name":"Google Cloud Storage","native":true}]` |
| language.primary | - | C++ |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"ios":true,"mac":true,"web":true,"android":true,"windows":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":"Open source, MIT licensed","freeTier":true,"sourceUrl":"https://kuzudb.com","retrievedAt":"2026-08-14T16:44:29.216Z"}` |
| 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 | - | 31 |
| release.history | - | `[{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.11.3","date":"2025-10-10T14:32:42Z","type":"stable","version":"v0.11.3"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.11.2","date":"2025-08-21T05:08:45Z","type":"stable","version":"v0.11.2"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.11.1","date":"2025-07-26T03:31:57Z","type":"stable","version":"v0.11.1"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.11.0","date":"2025-07-13T18:52:54Z","type":"stable","version":"v0.11.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.10.1","date":"2025-06-27T15:39:30Z","type":"stable","version":"v0.10.1"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.10.0","date":"2025-05-08T19:27:21Z","type":"stable","version":"v0.10.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.9.0","date":"2025-04-01T19:37:54Z","type":"stable","version":"v0.9.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.8.2","date":"2025-02-24T16:03:57Z","type":"stable","version":"v0.8.2"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.8.1","date":"2025-02-21T07:42:02Z","type":"stable","version":"v0.8.1"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.8.0","date":"2025-02-05T16:28:35Z","type":"stable","version":"v0.8.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.7.1","date":"2024-12-20T06:27:53Z","type":"stable","version":"v0.7.1"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.7.0","date":"2024-11-15T19:15:07Z","type":"stable","version":"v0.7.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.6.1","date":"2024-10-14T22:20:19Z","type":"stable","version":"v0.6.1"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.6.0","date":"2024-08-16T20:12:20Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.5.0","date":"2024-08-05T16:00:05Z","type":"stable","version":"v0.5.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.4.2","date":"2024-05-14T18:54:10Z","type":"stable","version":"v0.4.2"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.4.1","date":"2024-05-07T11:18:57Z","type":"stable","version":"v0.4.1"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.4.0","date":"2024-05-02T20:37:39Z","type":"stable","version":"v0.4.0"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.3.2","date":"2024-03-14T01:41:16Z","type":"stable","version":"v0.3.2"},{"url":"https://github.com/kuzudb/kuzu/releases/tag/v0.3.1","date":"2024-02-28T06:09:22Z","type":"stable","version":"v0.3.1"}]` |
| reliability.status_page | 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.soc2 | yes | - |
| security.trust_center | https://aws.amazon.com/security/ | - |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=kuzu&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Graph Databases)

| Capability | Amazon Neptune | Kùzu |
|---|:--:|:--:|
| **Model** |  |  |
| Graph model | Multi-model | Property graph |
| Query language(s) | Gremlin, openCypher, SPARQL | Cypher |
| **Transactions** |  |  |
| ACID transactions | Full | Full |
| Consistency model | - | Strong |
| **Architecture** |  |  |
| Storage | - | Native graph |
| Distributed / scale | Sharded | Single-node |
| Replication / HA | ✓ | - |
| OLTP vs OLAP | Both | Both |
| **Deployment** |  |  |
| Deployment | Managed | Embedded |
| **Search** |  |  |
| Full-text search | None | Built-in |
| Built-in vector search | ✓ | ✓ |
| **Licensing** |  |  |
| Licence class | Proprietary | Permissive OSS |
| **Portability** |  |  |
| openCypher / TinkerPop standard | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:19:04.503Z. "-" = undocumented, not absent.*