# KDB.AI vs LanceDB

**Leader by Vioscale score:** LanceDB

| Attribute | KDB.AI | LanceDB |
|---|---|---|
| **Vioscale score** | 41.9 (24% (low)) | 59.2 (43% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 453 |
| adoption.github_stars | - | 11,284 |
| adoption.package_downloads_weekly | - | 1,350,674 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A vector database for contextual and time series search that enables building AI apps, finding patterns in data, and mixing structured with unstructured data. | 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. |
| features.capabilities | `{"deployment":"managed","hybrid_search":true,"multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"horizontal_scale":"sharded_distributed","metadata_filtering":"pre_filter"}` | `{"deployment":"self_hosted","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"}` |
| integrations.count | 2 | 15 |
| integrations.list | `[{"name":"Hugging Face"},{"name":"NVIDIA cuVS"}]` | `[{"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"}]` |
| language.primary | - | Rust |
| license.spdx | - | Apache-2.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","contactSales":false}],"summary":"Free tier available; enterprise pricing via contact sales","freeTier":true,"sourceUrl":"https://kdb.ai","retrievedAt":"2026-08-03T13:11:39.515Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | commercial | commercial |
| pricing.price_level | low | - |
| pricing.transparent | no | - |
| release.history | - | `[{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.9","date":"2026-08-25T10:32:32Z","type":"prerelease","version":"v0.38.0-beta.9"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.8","date":"2026-08-25T06:26:50Z","type":"prerelease","version":"v0.38.0-beta.8"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.10","date":"2026-08-25T10:37:30Z","type":"prerelease","version":"v0.38.0-beta.10"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.7","date":"2026-08-24T21:09:33Z","type":"prerelease","version":"v0.38.0-beta.7"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.6","date":"2026-08-23T17:33:36Z","type":"prerelease","version":"v0.38.0-beta.6"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.5","date":"2026-08-23T08:08:08Z","type":"prerelease","version":"v0.38.0-beta.5"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.4","date":"2026-08-22T16:39:04Z","type":"prerelease","version":"v0.38.0-beta.4"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.3","date":"2026-08-21T10:26:13Z","type":"prerelease","version":"v0.38.0-beta.3"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.2","date":"2026-08-19T01:59:45Z","type":"prerelease","version":"v0.38.0-beta.2"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.1","date":"2026-08-17T16:57:15Z","type":"prerelease","version":"v0.38.0-beta.1"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.38.0-beta.0","date":"2026-08-14T01:10:07Z","type":"prerelease","version":"v0.38.0-beta.0"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.37.1","date":"2026-08-10T07:55:09Z","type":"stable","version":"v0.37.1"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.37.1-beta.2","date":"2026-08-10T06:31:02Z","type":"prerelease","version":"v0.37.1-beta.2"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.37.1-beta.1","date":"2026-08-07T21:16:26Z","type":"prerelease","version":"v0.37.1-beta.1"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.37.1-beta.0","date":"2026-07-29T07:12:53Z","type":"prerelease","version":"v0.37.1-beta.0"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.33.0","date":"2026-07-28T21:32:52Z","type":"stable","version":"v0.33.0"},{"url":"https://github.com/lancedb/lancedb/releases/tag/python-v0.36.0","date":"2026-07-28T21:33:04Z","type":"stable","version":"python-v0.36.0"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.33.0-beta.0","date":"2026-07-24T19:34:17Z","type":"stable","version":"v0.33.0-beta.0"},{"url":"https://github.com/lancedb/lancedb/releases/tag/v0.32.0-beta.3","date":"2026-07-24T22:04:27Z","type":"stable","version":"v0.32.0-beta.3"},{"url":"https://github.com/lancedb/lancedb/releases/tag/python-v0.36.0-beta.0","date":"2026-07-24T19:34:22Z","type":"stable","version":"python-v0.36.0-beta.0"}]` |
| security.disclosure_policy | yes | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.soc2 | - | yes |
| 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}` |

## Capabilities (Vector Databases)

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

*Source: Vioscale. Generated 2026-09-01T14:41:03.483Z. "-" = undocumented, not absent.*