# NebulaGraph vs OrientDB

**Leader by Vioscale score:** OrientDB

| Attribute | NebulaGraph | OrientDB |
|---|---|---|
| **Vioscale score** | 40.8 (61% (medium)) | 54.5 (78% (high)) |
| activity.commits_last_30d | 0 | 62 |
| adoption.dependent_repos | 5 | 569 |
| adoption.github_stars | 12,365 | 4,983 |
| adoption.package_downloads_weekly | - | 550 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | NebulaGraph is a distributed graph database built for processing complex relationship data with millisecond latency. It enables fraud detection, recommendations, knowledge graphs, and real-time analytics across large interconnected datasets for enterprises. | An open-source NoSQL database that combines graph and document data models in one scalable platform, optimized for high-performance operations with physical record linkage and millisecond-level graph traversal regardless of database size. |
| features.capabilities | `{"storage":"pluggable","workload":"both","deployment":"self_hosted","consistency":"strong","distributed":"sharded","graph_model":"property_graph","licence_class":"permissive","vector_search":true,"query_language":"nGQL, OpenCypher, ISO-GQL","replication_ha":true,"full_text_search":"built_in","standard_support":true,"acid_transactions":"full"}` | `{"storage":"native","workload":"both","deployment":"self_hosted","distributed":"clustered","graph_model":"property_graph","vector_search":false,"query_language":"Orient SQL (implied)","replication_ha":true,"full_text_search":"via_index","standard_support":true,"acid_transactions":"full"}` |
| integrations.count | 7 | 1 |
| integrations.list | `[{"name":"Azure Marketplace"},{"name":"AWS (planned)"},{"name":"Google Cloud Platform (planned)"},{"name":"Nebula Studio"},{"name":"Nebula Explorer"},{"name":"Nebula Dashboard"},{"name":"ElasticSearch"}]` | `[{"name":"Gremlin Server (TinkerPop)"}]` |
| language.primary | C++ | Java |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"linux":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open-source Edition","summary":"Free, open-source","features":["Subset of core features","Graph query language support (nGQL/openCypher, ISO-GQL)","Graph algorithms and analytics","Community support"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Community-supported graph database for developers and experimental use cases","contactSales":false},{"free":false,"name":"Enterprise Edition","features":["Enhanced performance","Enterprise-grade stability and security","Premium support service","Multiple deployment methods","Advanced features: REST API, vector search, multi-graph queries, plugin management","Fine-grained permission management at multiple levels","SAML 2.0 and OIDC authentication","Audit logging and compliance tools"],"description":"Production-grade deployment with enterprise performance, security, and dedicated support","contactSales":true},{"free":false,"name":"NebulaGraph Cloud","summary":"From $0.35/hour (beta pricing with 70% discount); 14-day free trial","features":["One-click deployment and scaling","High availability with multi-data center replication","Automatic backup and restoration","Integrated visualization tools (Nebula Studio, Explorer, Dashboard)","Fine-grained access control"],"components":[{"per":{"qty":1,"unit":"hour"},"kind":"metered","amount":0.35,"currency":"USD"}],"description":"Managed cloud database service with pay-as-you-go consumption pricing","contactSales":false}],"summary":"Free open-source edition; enterprise licensing and managed cloud options available","currency":"USD","freeTier":true,"sourceUrl":"https://nebula-graph.io/pricing","retrievedAt":"2026-08-14T16:42:25.955Z","freeTrialDays":14,"startingPrice":{"amount":0.35,"period":"month","currency":"USD"},"billingPeriods":["month","hour"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Community","summary":"Free","features":["Discussion","Issue Tracker","Documentation"],"description":"Community support via GitHub discussions and issue tracker","contactSales":false},{"free":false,"name":"Basic","summary":"€1,000/month","features":["Direct Support by mail","Query Support"],"commitment":"monthly","components":[{"kind":"fixed","amount":1000,"period":"month","currency":"EUR"}],"description":"Direct email support and query assistance","contactSales":false},{"free":false,"name":"Advanced","summary":"€4,000/month","features":["Support on Upgrade","Emergency Patch","Security Escalation","Application Model Definition"],"commitment":"monthly","components":[{"kind":"fixed","amount":4000,"period":"month","currency":"EUR"}],"description":"Upgrade support, emergency patches, security escalation, and application design consultation","contactSales":false},{"free":false,"name":"Consultancy","summary":"Case-by-case pricing","features":["On Site Support","Custom consultancy"],"description":"Custom on-site and consultancy services","contactSales":true}],"summary":"Free open-source. Paid support from €1,000/month.","currency":"EUR","freeTier":true,"sourceUrl":"https://orientdb.dev/","retrievedAt":"2026-08-14T08:30:45.577Z","startingPrice":{"amount":1000,"period":"month","currency":"EUR"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | high |
| pricing.transparent | no | yes |
| release.cadence_days | 74 | 34 |
| release.history | `[{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.8.0","date":"2024-05-17T10:33:59Z","type":"stable","version":"v3.8.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.6.0","date":"2023-08-11T03:55:34Z","type":"stable","version":"v3.6.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.5.0","date":"2023-05-23T10:06:24Z","type":"stable","version":"v3.5.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.4.1","date":"2023-03-08T03:14:19Z","type":"stable","version":"v3.4.1"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.4.0","date":"2023-02-09T10:19:49Z","type":"stable","version":"v3.4.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.3.0","date":"2022-10-31T06:06:15Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.2.1","date":"2022-09-16T02:52:30Z","type":"stable","version":"v3.2.1"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.2.0","date":"2022-07-18T02:31:18Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.1.0","date":"2022-04-24T09:53:58Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.0.2","date":"2022-03-29T02:15:07Z","type":"stable","version":"v3.0.2"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.0.1","date":"2022-03-15T04:17:00Z","type":"stable","version":"v3.0.1"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v3.0.0","date":"2022-02-16T02:11:49Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v2.6.2","date":"2022-01-26T02:14:57Z","type":"stable","version":"v2.6.2"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v2.6.1","date":"2021-11-03T11:04:45Z","type":"stable","version":"v2.6.1"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v2.6.0","date":"2021-10-25T11:06:57Z","type":"stable","version":"v2.6.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v1.2.1","date":"2021-04-15T02:49:45Z","type":"stable","version":"v1.2.1"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v1.2.0","date":"2020-12-08T03:19:25Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v1.1.0","date":"2020-09-21T04:29:17Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v1.0.1","date":"2020-07-09T03:34:01Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/vesoft-inc/nebula/releases/tag/v1.0.0","date":"2020-06-10T07:28:42Z","type":"stable","version":"v1.0.0"}]` | `[{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.55","date":"2026-07-20T17:32:48Z","type":"stable","version":"3.2.55"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.54","date":"2026-07-06T05:48:43Z","type":"stable","version":"3.2.54"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.53","date":"2026-06-01T03:54:34Z","type":"stable","version":"3.2.53"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.52","date":"2026-05-14T09:38:48Z","type":"stable","version":"3.2.52"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.51","date":"2026-03-30T10:54:53Z","type":"stable","version":"3.2.51"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.50","date":"2026-02-24T05:03:59Z","type":"stable","version":"3.2.50"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.49","date":"2026-01-27T13:09:54Z","type":"stable","version":"3.2.49"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.48","date":"2025-12-24T10:45:49Z","type":"stable","version":"3.2.48"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.47","date":"2025-12-09T11:59:51Z","type":"stable","version":"3.2.47"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.46","date":"2025-11-17T16:08:22Z","type":"stable","version":"3.2.46"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.45","date":"2025-10-20T15:42:44Z","type":"stable","version":"3.2.45"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.44","date":"2025-09-04T13:10:58Z","type":"stable","version":"3.2.44"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.43","date":"2025-08-07T12:39:48Z","type":"stable","version":"3.2.43"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.42","date":"2025-07-03T10:18:27Z","type":"stable","version":"3.2.42"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.41","date":"2025-06-17T15:28:56Z","type":"stable","version":"3.2.41"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.40","date":"2025-05-29T11:51:46Z","type":"stable","version":"3.2.40"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.39","date":"2025-04-14T15:40:39Z","type":"stable","version":"3.2.39"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.38","date":"2025-02-20T14:33:17Z","type":"stable","version":"3.2.38"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.37","date":"2025-01-14T21:17:13Z","type":"stable","version":"3.2.37"},{"url":"https://github.com/orientechnologies/orientdb/releases/tag/3.2.36","date":"2024-11-27T16:30:05Z","type":"stable","version":"3.2.36"}]` |
| reliability.status_page | - | yes |
| security.gdpr | yes | - |
| security.scorecard | 6.2 | 6.3 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.vesoft%3Anebula-spark-connector&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.orientechnologies%3Aorientdb-client&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Graph Databases)

| Capability | NebulaGraph | OrientDB |
|---|:--:|:--:|
| **Model** |  |  |
| Graph model | Property graph | Property graph |
| Query language(s) | nGQL, OpenCypher, ISO-GQL | Orient SQL (implied) |
| **Transactions** |  |  |
| ACID transactions | Full | Full |
| Consistency model | Strong | - |
| **Architecture** |  |  |
| Storage | Pluggable backend | Native graph |
| Distributed / scale | Sharded | Clustered |
| Replication / HA | ✓ | ✓ |
| OLTP vs OLAP | Both | Both |
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| **Search** |  |  |
| Full-text search | Built-in | Via index |
| Built-in vector search | ✓ | ✗ |
| **Licensing** |  |  |
| Licence class | Permissive OSS | - |
| **Portability** |  |  |
| openCypher / TinkerPop standard | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T17:20:12.109Z. "-" = undocumented, not absent.*