LanceDB

Serverless vector DB for AI
Vector databaseEmbedded vector databaseApache-2.0Self-hostedRustBeginner
🛡 Published security advisories
A high count usually means the project is heavily examined. A low count usually means it is little examined — not that it is safe.
No public activity signals for this tool — it has no open repository we can measure.
OSAI Pulse ⓘ ★★★★★★★★★★ /100 signals tracked
🐳 Docker pulls 📦 PyPI downloads / month 📦 npm downloads / month 🚀 Latest release ·
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What is LanceDB?

LanceDB is an open-source, embedded vector database built on the Lance columnar format, offering fast vector search with zero servers to manage.

Why people choose LanceDB

LanceDB at a glance

CategoryVector database
TypeEmbedded vector database
LicenseApache-2.0
Runs locallySelf-hosted
Built withRust
Skill levelBeginner
Best forembedded, serverless vector search

Open-source alternatives to LanceDB

Other open-source vector database tools worth comparing:

QdrantFast Rust-based vector searchWeaviateVector DB with built-in modulesMilvusBillion-scale vector databaseChromaThe simplest embedding DB for prototypingpgvectorVector search inside PostgreSQLFAISSThe reference library for similarity searchVespaBig-scale hybrid search and ranking platformpgvectorscaleMake pgvector fast at scaleMarqoVector search with embedding built inUSearchTiny, extremely fast vector index

LanceDB head-to-head

LanceDB vs QdrantLanceDB vs WeaviateLanceDB vs MilvusLanceDB vs ChromaLanceDB vs pgvectorLanceDB vs FAISSLanceDB vs VespaLanceDB vs pgvectorscaleLanceDB vs MarqoLanceDB vs USearch

FAQ

Is LanceDB free?

LanceDB is free and open-source (Apache-2.0 license), so you can use, self-host and modify it at no cost.

Can I run LanceDB locally?

Yes. LanceDB is designed to run on your own machine or server, keeping your data private.

What is the best alternative to LanceDB?

Popular open-source alternatives include Qdrant, Weaviate, Milvus. See the comparisons above to choose.

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