# JanusGraph vs NebulaGraph

**Leader by Vioscale score:** JanusGraph

| Attribute | JanusGraph | NebulaGraph |
|---|---|---|
| **Vioscale score** | 52.7 (70% (medium)) | 40.8 (61% (medium)) |
| activity.commits_last_30d | 9 | 0 |
| adoption.dependent_repos | 250 | 5 |
| adoption.github_stars | 5,829 | 12,365 |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | 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. |
| features.capabilities | `{"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"}` | `{"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"}` |
| integrations.count | 14 | 7 |
| integrations.list | `[{"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":"Azure Marketplace"},{"name":"AWS (planned)"},{"name":"Google Cloud Platform (planned)"},{"name":"Nebula Studio"},{"name":"Nebula Explorer"},{"name":"Nebula Dashboard"},{"name":"ElasticSearch"}]` |
| language.primary | Java | C++ |
| license.spdx | - | Apache-2.0 |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"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"}` | `{"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"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | low |
| pricing.transparent | yes | no |
| release.cadence_days | 74 | 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"}]` | `[{"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"}]` |
| reliability.status_page | yes | - |
| security.gdpr | - | yes |
| security.scorecard | 6.5 | 6.2 |
| 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}` | `{"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}` |

## Capabilities (Graph Databases)

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

*Source: Vioscale. Generated 2026-09-01T15:22:36.795Z. "-" = undocumented, not absent.*