# Alternatives to LanceDB LanceDB is an open-source, embeddable serverless vector database built on the Lance columnar format, with a managed cloud. LanceDB ranks #2 of 9 in Vector databases, with an Alt Score of 93. It is licensed under Apache License 2.0 and open source with paid hosting. 12 of 13 checklist rows are verified against a public source. Source: https://altcatalog.com/alternatives/lancedb/ Category: Vector databases ## Where LanceDB stands out - **SQL / existing-DB integration** — 3 of 6 apps with a verified answer have this ## Overview - **Who it's for**: LanceDB is aimed at developers and ML teams building multimodal AI applications, such as RAG, semantic search, and recommender systems, who want an embedded, open-source vector database with a path to a distributed, managed deployment (LanceDB Enterprise) as workloads grow. - **What you get**: An Apache 2.0-licensed embedded retrieval library built on the open-source Lance columnar format, supporting vector similarity search, full-text (BM25) search, hybrid search with reranking, SQL-style metadata filtering, versioned tables, and multimodal (image/audio/video) storage, with Python, TypeScript, and Rust SDKs plus a REST API; LanceDB Enterprise adds a distributed, BYOC or managed cluster deployment sold on a contact-sales basis. - **How it works**: LanceDB embeds directly into an application process via pip/npm/cargo, reading and writing tables in the disk-based Lance format on local disk, a network filesystem, or S3/GCS/Azure object storage, and builds vector (IVF/HNSW), scalar, and full-text indexes for low-latency retrieval; merge-insert (upsert) and add operations update tables in place, while LanceDB Enterprise fronts the same Lance tables with a distributed query/cache/indexing cluster reachable over a `db://` endpoint for production-scale throughput. ## Profile - **License**: Apache License 2.0 (verified 2026-07-16) - **Pricing model**: OSS + paid hosting (verified 2026-07-16) - **Starts at**: ? - **Platforms**: ? - **Status**: active (verified 2026-07-16) ## Ranked alternatives | # | App | Alt Score | Licence | Platforms | |---|-----|-----------|---------|-----------| | 1 | [Chroma](https://altcatalog.com/alternatives/chroma.md) | 93 | Apache-2.0 | Windows, macOS, Linux | | 2 | [Milvus](https://altcatalog.com/alternatives/milvus.md) | 89 | Apache License 2.0 | Linux, macOS, Windows | | 3 | [Qdrant](https://altcatalog.com/alternatives/qdrant.md) | 86 | Apache License 2.0 | Web, Windows, macOS, Linux | | 4 | [Pinecone](https://altcatalog.com/alternatives/pinecone.md) | 83 | Proprietary | Web | | 5 | [Vespa](https://altcatalog.com/alternatives/vespa.md) | 83 | Apache-2.0 | Linux, macOS, Windows, Web | | 6 | [pgvector](https://altcatalog.com/alternatives/pgvector.md) | 79 | PostgreSQL License | Linux, macOS, Windows | | 7 | [Weaviate](https://altcatalog.com/alternatives/weaviate.md) | 79 | BSD 3-Clause License | Web, Linux, macOS, Windows | | 8 | [turbopuffer](https://altcatalog.com/alternatives/turbopuffer.md) | 68 | Proprietary | Web | Alt Score = Verified coverage (90%) + Visibility (10%). See https://altcatalog.com/how-alt-score-works/ ## Feature comparison Legend: Yes / No / Partial / ? (not verified). | Vector databases checklist | LanceDB | Chroma | Milvus | Qdrant | Pinecone | Vespa | |---|---|---|---|---|---|---| | Pricing model | OSS + paid hosting | OSS + paid hosting | OSS + paid hosting | OSS + paid hosting | Freemium | OSS + paid hosting | | Starts at | ? | $0/month + usage-based pricing | From $0/month (Serverless, usage-based) or $126/GB/month (Dedicated) | $25 USD | $20/mo | $0.05/vCPU-hour (Vespa Cloud Startup plan, usage-based) | | License | Apache License 2.0 | Apache-2.0 | Apache License 2.0 | Apache License 2.0 | Proprietary | Apache-2.0 | | Platforms | ? | Windows, macOS, Linux | Linux, macOS, Windows | Web, Windows, macOS, Linux | Web | Linux, macOS, Windows, Web | | Open source | Yes | Yes | Yes | Yes | No | Yes | | Self-hostable | Yes | Yes | Yes | Yes | No | Yes | | Fully managed cloud | Yes | Yes | Yes | Yes | Yes | Yes | | Hybrid search (vector + keyword) | Yes | Yes | Yes | Yes | Yes | Yes | | Metadata filtering | Yes | Yes | Yes | Yes | Yes | Yes | | Horizontal scaling / sharding | Yes | Yes | Yes | Yes | Yes | Yes | | Serverless option | Yes | Yes | Yes | ? | Yes | Partial | | Built-in embedding generation | Yes | Yes | Partial | Yes | Yes | Yes | | Multi-tenancy / namespaces | Yes | Yes | Yes | Yes | Yes | Partial | | Real-time upserts | Yes | Yes | Yes | ? | Yes | Yes | | SQL / existing-DB integration | Yes | ? | No | Yes | Partial | ? | | Free tier | ? | Yes | Yes | Yes | Yes | Yes | | SDKs (Python/JS) | Yes | Yes | Yes | Yes | Yes | Partial | ## Sources Sources for LanceDB. Each alternative is sourced on its own page. - **License**: Apache License 2.0 — (verified 2026-07-16) - Quote: “Apache License Version 2.0, January 2004” - **Pricing model**: OSS + paid hosting — (verified 2026-07-16) - Note: OSS core is free/self-hosted; LanceDB Enterprise is the paid, commercial deployment (BYOC or managed). - Quote: “LanceDB OSS is a permissively licensed embedded retrieval library available under an Apache 2.0 license. We also have a LanceDB Enterprise, a commercial product that can be deployed on a private cloud” - **Status**: active — (verified 2026-07-16) - Note: pushed_at": "2026-07-16T17:54:42Z"" — GitHub API shows the repo (10.9k+ stars) pushed to on the same day this research was performed; "archived": false. - **Open source**: Yes — (verified 2026-07-16) - Quote: “Open Source & Local: 100% open source, runs locally or in your cloud. No vendor lock-in.” - **Self-hostable**: Yes — (verified 2026-07-16) - Quote: “The BYOC deployment installs the system inside your VPC, so data never leaves your account.” - **Fully managed cloud**: Yes — (verified 2026-07-16) - Quote: “The managed option hands day-to-day operations to the vendor, including patching, scaling, and ongoing monitoring.” - **Hybrid search (vector + keyword)**: Yes — (verified 2026-07-16) - Quote: “Learn how to perform hybrid search in LanceDB by combining vector and full-text search techniques with reranking.” - **Metadata filtering**: Yes — (verified 2026-07-16) - Quote: “LanceDB supports filtering features of query results based on metadata fields.” - **Horizontal scaling / sharding**: Yes — (verified 2026-07-16) - Note: Enterprise adds further horizontal query throughput across a distributed cluster: 'Instead of relying on one application process to answer every query, Enterprise can spread search traffic across mult - Quote: “LanceDB separates storage and compute and writes immutable fragments, making it a strong fit for stateless, horizontally scalable deployments.” - **Serverless option**: Yes — (verified 2026-07-16) - Quote: “When you work with LanceDB OSS, it is included as part of your binary, Docker, or serverless function. The footprint is small, and no extra services run beside it.” - **Built-in embedding generation**: Yes — (verified 2026-07-16) - Note: Embedding registry ships built-in functions for providers like OpenAI, Cohere, Hugging Face, VoyageAI, etc. (https://docs.lancedb.com/integrations/embedding/). - Quote: “Use the embedding API in LanceDB -- registry, functions, schemas, and multi-language SDK support.” - **Multi-tenancy / namespaces**: Yes — (verified 2026-07-16) - Quote: “A namespace can contain a collection of tables, and it can also contain namespaces recursively.” - **Real-time upserts**: Yes — (verified 2026-07-16) - Quote: “Performs a merge insert (upsert) operation on table `id`. This operation updates existing rows based on a matching column and inserts new rows that don't match.” - **SQL / existing-DB integration**: Yes — (verified 2026-07-16) - Quote: “DuckDB provides SQL analytics (including joins) and search over those tables.” - **SDKs (Python/JS)**: Yes — (verified 2026-07-16) - Quote: “We also support Python, Typescript and Rust SDKs” --- Ranked by verified data, never by who paid. https://altcatalog.com/trust/