# KDB.AI vs LanceDB

**Leader by vioscaleAI score:** LanceDB

| Attribute | KDB.AI | LanceDB |
|---|---|---|
| **vioscaleAI score** | 47.1 (24% (low)) | 58.5 (53% (medium)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 453 |
| adoption.github_stars | - | 11,663 |
| adoption.package_downloads_weekly | - | 1,423,043 |
| content.faq | `[{"answer":"A vector database for contextual and time series search that enables building AI apps, finding patterns in data, and mixing structured with unstructured data. It is indexed under Vector Databases.","source":"https://kdb.ai","question":"What is KDB.AI?","confidence":0.6},{"answer":"KDB.AI offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://kdb.ai","question":"Is KDB.AI free?","confidence":0.6},{"answer":"Yes. KDB.AI can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://kdb.ai","question":"Can KDB.AI be self-hosted?","confidence":0.6},{"answer":"We have confirmed 7 integrations for KDB.AI, including Hugging Face, NVIDIA cuVS, LlamaIndex, Langchain, Voyage AI, TwelveLabs and Google Colab. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://kdb.ai","question":"What does KDB.AI integrate with?","confidence":0.6}]` | `[{"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}]` |
| deployment.options | `{"cloud":true,"on_prem":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | KDB.AI is a specialized vector database enabling developers to build AI-powered applications by integrating vector embeddings with structured time-series data. It supports hybrid search, multimodal retrieval, and real-time analytics for generative AI and RAG applications. | 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. |
| features.capabilities | `{"ann_index":"Flat, qFlat, IVF, IVFPQ, HNSW, qHnsw","deployment":"managed","quantization":"product","storage_tier":"disk_backed","hybrid_search":true,"multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"distance_metrics":"Euclidean, Inner-Product, Cosine","horizontal_scale":"sharded_distributed","metadata_filtering":"pre_filter"}` | `{"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"}` |
| integrations.count | 5 | 15 |
| integrations.list | `[{"name":"Hugging Face"},{"name":"NVIDIA cuVS"},{"name":"LlamaIndex"},{"name":"Langchain"},{"name":"Voyage AI"},{"name":"TwelveLabs"},{"name":"Google Colab"},{"name":"HuggingFace"}]` | `[{"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 |
| license.spdx | - | Apache-2.0 |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"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"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://lancedb.com","retrievedAt":"2026-09-10T21:10:06.700Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | low | free |
| pricing.transparent | no | - |
| 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"}]` |
| 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) | Flat, qFlat, IVF, IVFPQ, HNSW, qHnsw | - |
| Distance metrics (cosine / dot / Euclidean) | Euclidean, Inner-Product, Cosine | - |
| **Query** |  |  |
| Metadata filtering | Pre-filter | Post-filter |
| Hybrid search (dense + sparse fusion) | ✓ | ✓ |
| Built-in BM25 / lexical | ✓ | ✓ |
| **Storage** |  |  |
| Quantization | Product | - |
| On-disk vs in-memory | Disk-backed | 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: vioscaleAI. Generated 2026-10-16T21:38:16.476Z. "-" = undocumented, not absent.*