# Kùzu vs Virtuoso

| Attribute | Kùzu | Virtuoso |
|---|---|---|
| **vioscaleAI score** | 36.8 (65% (medium)) | 36.7 (77% (high)) |
| activity.commits_last_30d | 0 | 9 |
| adoption.dependent_repos | 1 | 1 |
| adoption.github_stars | 4,021 | 975 |
| adoption.package_downloads_weekly | 85,242 | 22 |
| content.faq | `[{"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}]` | `[{"answer":"Enterprise-grade platform designed to consolidate and govern data from diverse sources—databases, knowledge graphs, file systems, and APIs—with built-in support for AI agents and language model integration. It is indexed under Graph Databases.","source":"https://virtuoso.openlinksw.com/pricing/","question":"What is Virtuoso?","confidence":0.6},{"answer":"Virtuoso is a paid product; published pricing starts at $99.99. It is sold across 4 plans (Personal, Developer, Project and Enterprise). There is no free tier. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://virtuoso.openlinksw.com/pricing/","question":"How much does Virtuoso cost?","confidence":0.6},{"answer":"Virtuoso supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://virtuoso.openlinksw.com/pricing/","question":"What platforms does Virtuoso support?","confidence":0.6},{"answer":"Yes. Virtuoso can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://virtuoso.openlinksw.com/pricing/","question":"Can Virtuoso be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for Virtuoso, including SQLAlchemy, RDFLib, SQL databases, Linked Data sources and APIs. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://virtuoso.openlinksw.com/pricing/","question":"What does Virtuoso integrate with?","confidence":0.6},{"answer":"Yes. Virtuoso is published under the BSD 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://pypi.org/pypi/virtuoso/json","question":"Is Virtuoso open source?","confidence":0.9},{"answer":"Virtuoso is available worldwide. Its primary market is the United States.","source":"https://virtuoso.openlinksw.com/pricing/","question":"Where is Virtuoso available?","confidence":0.5}]` |
| deployment.options | `{"self_hosted":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | 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. | A database server supporting both conventional relational data via SQL and semantic graphs via SPARQL and GraphQL. Designed to integrate diverse data sources into a unified system that enables knowledge graph creation, reasoning, and enterprise-wide data discovery. |
| features.capabilities | `{"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"}` | `{"workload":"both","deployment":"self_hosted","graph_model":"rdf_triple","licence_class":"source_available","query_language":"SPARQL","replication_ha":true,"standard_support":true}` |
| integrations.count | 3 | 6 |
| integrations.list | `[{"name":"Delta Lake","native":true},{"name":"Azure","native":true},{"name":"Google Cloud Storage","native":true}]` | `[{"name":"SQLAlchemy"},{"name":"RDFLib"},{"name":"SQL databases"},{"name":"NoSQL databases"},{"name":"Linked Data sources"},{"name":"APIs"}]` |
| language.primary | C++ | C |
| license.spdx | MIT | BSD |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"android":true,"windows":true}` | `{"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","summary":"Open source, MIT licensed","freeTier":true,"sourceUrl":"https://kuzudb.com","retrievedAt":"2026-08-14T16:44:29.216Z"}` | `{"type":"hybrid","plans":[{"free":false,"name":"Personal","summary":"$99.99/year","features":["2 Concurrent Sessions","CPU Core Affinity","Linux, Windows, macOS","Workstation"],"commitment":"annual","components":[{"kind":"fixed","amount":99.99,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Developer","summary":"$199/year","features":["5 Concurrent Sessions","Application Development License"],"commitment":"annual","components":[{"kind":"fixed","amount":199,"period":"year","currency":"USD"}],"contactSales":false},{"free":false,"name":"Project","summary":"$499/year","features":["16 Concurrent Sessions","Unlimited CPU Cores","Server-Grade Operating Systems","Enterprise Support"],"commitment":"annual","components":[{"kind":"fixed","amount":499,"period":"year","currency":"USD"}],"contactSales":false}],"summary":"From $99.99/year for workstation licenses. Free open-source edition available under GPL. Perpetual enterprise licenses available on request.","currency":"USD","freeTier":true,"sourceUrl":"https://virtuoso.openlinksw.com/pricing","retrievedAt":"2026-10-13T15:16:38.643Z","startingPrice":{"amount":99.99,"period":"year","currency":"USD"},"billingPeriods":["year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | high |
| pricing.starting_price | - | `{"amount":99.99,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 31 | 143 |
| 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"}]` | `[{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.17","date":"2026-05-07T16:19:38Z","type":"stable","version":"v7.2.17"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.16.1","date":"2025-10-15T19:19:08Z","type":"stable","version":"v7.2.16.1"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.16","date":"2025-10-14T16:23:00Z","type":"stable","version":"v7.2.16"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.15","date":"2025-05-21T14:32:44Z","type":"stable","version":"v7.2.15"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.14","date":"2024-11-11T16:10:53Z","type":"stable","version":"v7.2.14"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.13","date":"2024-06-12T08:08:55Z","type":"stable","version":"v7.2.13"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.12","date":"2024-02-13T17:03:29Z","type":"stable","version":"v7.2.12"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.11","date":"2023-09-26T16:53:27Z","type":"stable","version":"v7.2.11"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.10","date":"2023-06-07T14:13:02Z","type":"stable","version":"v7.2.10"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.9","date":"2023-02-28T09:52:41Z","type":"stable","version":"v7.2.9"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.8","date":"2022-10-19T13:39:51Z","type":"stable","version":"v7.2.8"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.7","date":"2022-05-18T15:53:34Z","type":"stable","version":"v7.2.7"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.6.1","date":"2021-06-22T17:26:01Z","type":"stable","version":"v7.2.6.1"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.5.1","date":"2018-08-15T18:41:17Z","type":"stable","version":"v7.2.5.1"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.5","date":"2018-08-16T11:00:56Z","type":"stable","version":"v7.2.5"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.4.2","date":"2016-04-25T16:40:01Z","type":"stable","version":"v7.2.4.2"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.2.1","date":"2015-12-09T21:59:50Z","type":"stable","version":"v7.2.2.1"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.1","date":"2015-06-24T19:38:34Z","type":"stable","version":"v7.2.1"},{"url":"https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.0.1","date":"2015-02-17T14:35:22Z","type":"stable","version":"v7.2.0.1"}]` |
| reliability.status_page | - | yes |
| security.scorecard | - | 2.7 |
| 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}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.openlinksw%3Avirtjdbc4&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Graph Databases)

| Capability | Kùzu | Virtuoso |
|---|:--:|:--:|
| **Model** |  |  |
| Graph model | Property graph | RDF / triple |
| Query language(s) | Cypher | SPARQL |
| **Transactions** |  |  |
| ACID transactions | Full | - |
| Consistency model | Strong | - |
| **Architecture** |  |  |
| Storage | Native graph | - |
| Distributed / scale | Single-node | - |
| Replication / HA | - | ✓ |
| OLTP vs OLAP | Both | Both |
| **Deployment** |  |  |
| Deployment | Embedded | Self-hosted |
| **Search** |  |  |
| Full-text search | Built-in | - |
| Built-in vector search | ✓ | - |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Source-available |
| **Portability** |  |  |
| openCypher / TinkerPop standard | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-15T21:57:54.784Z. "-" = undocumented, not absent.*