# LanceDB vs Weaviate

| Attribute | LanceDB | Weaviate |
|---|---|---|
| **vioscaleAI score** | 58.5 (53% (medium)) | 62.5 (73% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 453 | 15 |
| adoption.github_stars | 11,663 | 16,862 |
| adoption.package_downloads_weekly | 1,423,043 | - |
| content.faq | `[{"answer":"A purpose-built lakehouse designed for AI applications that unifies storage, indexing, and retrieval of multimodal data (text, images, videos, and more) at petabyte scale. Enables fast vector search, metadata filtering, and feature engineering workflows for machine learning workloads without data synchronization overhead. It is indexed under Vector Databases.","source":"https://lancedb.com","question":"What is LanceDB?","confidence":0.6},{"answer":"LanceDB supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://lancedb.com","question":"What platforms does LanceDB support?","confidence":0.6},{"answer":"Yes. LanceDB can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://lancedb.com","question":"Can LanceDB be self-hosted?","confidence":0.6},{"answer":"We have confirmed 15 integrations for LanceDB, including LangChain, LlamaIndex, DuckDB, Apache Arrow, Pandas, Polars, CrewAI and Hugging Face, plus 7 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://lancedb.com","question":"What does LanceDB integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for LanceDB. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as LanceDB not holding them. Always confirm compliance directly before you rely on it.","source":"https://lancedb.com","question":"What security certifications does LanceDB have?","confidence":0.6},{"answer":"Yes. LanceDB is published under the Apache-2.0 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/lancedb/lancedb","question":"Is LanceDB open source?","confidence":0.99}]` | `[{"answer":"Weaviate is an open-source vector database that supports hybrid search, metadata filtering, and scalable deployments. It enables developers to build AI applications with semantic search capabilities. It is indexed under Vector Databases.","source":"https://weaviate.io/blog/weaviate-cloud-pricing-update","question":"What is Weaviate?","confidence":0.6},{"answer":"Weaviate offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://weaviate.io","question":"Is Weaviate free?","confidence":0.6},{"answer":"Weaviate supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://weaviate.io","question":"What platforms does Weaviate support?","confidence":0.6},{"answer":"Yes. Weaviate can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://weaviate.io/blog/weaviate-cloud-pricing-update","question":"Can Weaviate be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Weaviate. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Weaviate not holding them. Always confirm compliance directly before you rely on it.","source":"https://weaviate.io","question":"What security certifications does Weaviate have?","confidence":0.48},{"answer":"Yes. Weaviate is published under the BSD-3-Clause 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/weaviate/weaviate","question":"Is Weaviate open source?","confidence":0.95},{"answer":"Weaviate is available worldwide. The vendor is headquartered in the Netherlands.","source":"https://weaviate.io","question":"Where is Weaviate available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A specialized lakehouse platform designed to store and query text, images, and vector data together, enabling high-performance vector search for real-time and historical multimodal AI workloads. | A vector database that enables semantic search by storing both objects and vectors, with built-in support for combining vector similarity search with traditional keyword search, retrieval-augmented generation, and reranking capabilities. |
| features.capabilities | `{"deployment":"self_hosted","serverless":true,"storage_tier":"disk_backed","hybrid_search":true,"licence_class":"permissive_oss","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"horizontal_scale":"sharded_distributed","metadata_filtering":"post_filter"}` | `{"ann_index":"HNSW","deployment":"self_hosted","consistency":"tunable","quantization":"product","hybrid_search":true,"licence_class":"permissive_oss","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"horizontal_scale":"sharded_distributed"}` |
| integrations.count | 15 | 25 |
| integrations.list | `[{"name":"LangChain"},{"name":"LlamaIndex"},{"name":"DuckDB"},{"name":"Apache Arrow"},{"name":"Pandas"},{"name":"Polars"},{"name":"CrewAI"},{"name":"Hugging Face"},{"name":"Apache Fluss"},{"name":"Ray"},{"name":"Volcano Engine"},{"name":"Voxel51"},{"name":"Continue"},{"name":"OpenClaw"},{"name":"LeRobot"},{"name":"Fluss","category":"streaming storage"},{"name":"Apache Flink","category":"data processing"},{"name":"MemGPT","category":"ai"},{"name":"OpenSearch","category":"search"},{"name":"Flight SQL","category":"sql"}]` | - |
| language.primary | Rust | Go |
| license.spdx | Apache-2.0 | BSD-3-Clause |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://lancedb.com","retrievedAt":"2026-09-10T21:10:06.700Z"}` | `{"type":"hybrid","freeTier":true,"sourceUrl":"https://weaviate.io","retrievedAt":"2026-08-05T13:28:29.566Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | - | no |
| release.cadence_days | - | 1 |
| release.history | `[{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.41.0-beta.6","date":"2026-10-12T11:38:16Z","type":"prerelease","version":"v0.41.0-beta.6"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.41.0-beta.5","date":"2026-10-12T06:04:24Z","type":"prerelease","version":"v0.41.0-beta.5"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.41.0-beta.4","date":"2026-10-11T06:35:36Z","type":"prerelease","version":"v0.41.0-beta.4"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.41.0-beta.3","date":"2026-10-09T21:14:01Z","type":"prerelease","version":"v0.41.0-beta.3"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.41.0-beta.2","date":"2026-10-09T18:21:48Z","type":"prerelease","version":"v0.41.0-beta.2"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.41.0-beta.1","date":"2026-10-09T00:50:00Z","type":"prerelease","version":"v0.41.0-beta.1"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.41.0-beta.0","date":"2026-10-07T14:47:59Z","type":"prerelease","version":"v0.41.0-beta.0"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0","date":"2026-10-07T09:17:29Z","type":"stable","version":"v0.40.0"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.13","date":"2026-10-06T04:37:12Z","type":"prerelease","version":"v0.40.0-beta.13"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.12","date":"2026-09-30T13:32:37Z","type":"prerelease","version":"v0.40.0-beta.12"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.11","date":"2026-09-24T10:05:30Z","type":"prerelease","version":"v0.40.0-beta.11"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.10","date":"2026-09-24T07:50:40Z","type":"prerelease","version":"v0.40.0-beta.10"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.9","date":"2026-09-23T23:41:17Z","type":"prerelease","version":"v0.40.0-beta.9"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.8","date":"2026-09-23T17:06:19Z","type":"prerelease","version":"v0.40.0-beta.8"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.7","date":"2026-09-23T07:29:15Z","type":"prerelease","version":"v0.40.0-beta.7"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.6","date":"2026-09-22T18:00:48Z","type":"prerelease","version":"v0.40.0-beta.6"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.5","date":"2026-09-21T18:53:28Z","type":"prerelease","version":"v0.40.0-beta.5"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.4","date":"2026-09-20T08:29:17Z","type":"prerelease","version":"v0.40.0-beta.4"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.3","date":"2026-09-17T20:06:51Z","type":"prerelease","version":"v0.40.0-beta.3"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.40.0-beta.2","date":"2026-09-17T12:52:48Z","type":"prerelease","version":"v0.40.0-beta.2"}]` | `[{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.8","date":"2026-10-01T18:18:57Z","type":"stable","version":"v1.39.8"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.18","date":"2026-10-01T14:55:17Z","type":"stable","version":"v1.38.18"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.40.0-rc.2","date":"2026-09-30T20:12:35Z","type":"prerelease","version":"v1.40.0-rc.2"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.7","date":"2026-09-25T13:18:52Z","type":"stable","version":"v1.39.7"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.6","date":"2026-09-22T14:55:53Z","type":"stable","version":"v1.39.6"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.17","date":"2026-09-22T12:47:57Z","type":"stable","version":"v1.38.17"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.40.0-rc.1","date":"2026-09-19T16:20:42Z","type":"prerelease","version":"v1.40.0-rc.1"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.16","date":"2026-09-18T12:38:55Z","type":"stable","version":"v1.38.16"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.40.0-rc.0","date":"2026-09-15T20:18:04Z","type":"prerelease","version":"v1.40.0-rc.0"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.5","date":"2026-09-15T08:24:52Z","type":"stable","version":"v1.39.5"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.15","date":"2026-09-14T19:02:47Z","type":"stable","version":"v1.38.15"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.37.17","date":"2026-09-14T18:05:08Z","type":"stable","version":"v1.37.17"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.4","date":"2026-09-11T17:51:37Z","type":"stable","version":"v1.39.4"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.3","date":"2026-09-07T13:49:58Z","type":"stable","version":"v1.39.3"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.14","date":"2026-09-07T12:19:29Z","type":"stable","version":"v1.38.14"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.37.16","date":"2026-09-07T12:56:10Z","type":"stable","version":"v1.37.16"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.13","date":"2026-08-27T10:13:43Z","type":"stable","version":"v1.38.13"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.37.15","date":"2026-08-27T06:41:32Z","type":"stable","version":"v1.37.15"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.2","date":"2026-08-26T17:21:38Z","type":"stable","version":"v1.39.2"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.12","date":"2026-08-25T12:21:22Z","type":"stable","version":"v1.38.12"}]` |
| reliability.sla_pct | - | 99.95 |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.scorecard | - | 6.7 |
| security.soc2 | yes | yes |
| security.trust_center | - | https://weaviate.io/blog/tags/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=lancedb&per_page=100","last_12m":0,"max_severity":null}` | `{"count":5,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fweaviate%2Fweaviate&per_page=100","last_12m":3,"max_severity":"HIGH"}` |

## Capabilities (Vector Databases)

| Capability | LanceDB | Weaviate |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| Serverless / consumption pricing | ✓ | - |
| **Index** |  |  |
| ANN index (HNSW / IVF / DiskANN / ScaNN / flat) | - | HNSW |
| Distance metrics (cosine / dot / Euclidean) | - | - |
| **Query** |  |  |
| Metadata filtering | Post-filter | - |
| Hybrid search (dense + sparse fusion) | ✓ | ✓ |
| Built-in BM25 / lexical | ✓ | ✓ |
| **Storage** |  |  |
| Quantization | - | Product |
| On-disk vs in-memory | Disk-backed | - |
| **Scale** |  |  |
| Multi-tenancy (namespaces / collections / tenants) | ✓ | ✓ |
| Horizontal scale | Sharded / distributed | Sharded / distributed |
| **Consistency** |  |  |
| Consistency | - | Tunable |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Permissive OSS |
| **Classification** |  |  |
| Purpose-built vs feature-of-parent | Dedicated DBMS | Dedicated DBMS |

*Source: vioscaleAI. Generated 2026-10-16T19:02:29.400Z. "-" = undocumented, not absent.*