# Amazon Neptune vs Kùzu

**Leader by Vioscale score:** Amazon Neptune

| Attribute | Amazon Neptune | Kùzu |
|---|---|---|
| **Vioscale score** | 44.9 (56% (medium)) | 37.7 (66% (medium)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 4,026 |
| adoption.package_downloads_weekly | - | 96,675 |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | 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. | 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. |
| 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 | 2 | - |
| integrations.list | `[{"name":"Amazon Bedrock Knowledge Bases"},{"name":"Strands AI Agents SDK"}]` | - |
| language.primary | - | C++ |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":false,"name":"On-demand","summary":"Pay-as-you-go with no commitments","features":["No minimum fees","No upfront commitments","Flexible configuration"],"description":"Pay-as-you-go pricing with no minimum fees or upfront commitments","contactSales":false},{"free":false,"name":"Serverless","summary":"Serverless with automatic scaling","features":["Automatic scaling","No minimum fees","No upfront commitments"],"description":"Automatically scales graph workloads with no minimum fees or upfront commitments","contactSales":false},{"free":false,"name":"Database Savings Plans","summary":"Usage-based savings plan with 1-year commitment","features":["Savings vs. on-demand","1-year commitment"],"commitment":"annual","description":"Flexible pricing model offering savings in exchange for commitment to specific usage over 1-year term","contactSales":false},{"free":false,"name":"Neptune Analytics","summary":"Per m-NCU-hour billing with pause option","features":["Fast analytics on billions of connections","In-memory storage","Optimized graph algorithms","Low-latency queries","Vector search","Pause/resume capability"],"description":"Analytic database engine for fast analytics over graph data. Billed per m-NCU (each m-NCU = 1 GB memory + compute/networking for 1 hour). Pause capability costs 10% of normal compute price.","contactSales":false}],"summary":"Pay-as-you-go pricing with on-demand, serverless, and savings plan options. No minimum fees or upfront commitments for on-demand/serverless.","currency":"USD","freeTier":false,"sourceUrl":"https://aws.amazon.com/neptune/","retrievedAt":"2026-08-01T15:15:07.725Z","billingPeriods":["hour","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 | no | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | unknown | free |
| pricing.transparent | yes | 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.disclosure_policy | yes | - |
| 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: Vioscale. Generated 2026-09-01T15:19:59.834Z. "-" = undocumented, not absent.*