Framework
LanceDB
LanceDB is an open-source AI framework, launched in 2023, made for developers and businesses.
An embedded vector database for multimodal AI search, built on the Lance columnar format.
Main jobs: Vector search. It is open source and free to use. You can use it on your own server, offline on your own machine and through an API.
Markdown version of https://godooo.ai/en/framework/lancedb. Every page on this site has one: add .md to its address.
At a glance
- Type
- Framework
- Launched
- 2023
- Galaxy
- Models & APIs
- Open source
- Yes · Apache-2.0
- Source code
- github.com/lancedb/lancedb
- GitHub stars
- 11,516
- How you run it
- Self-host · Runs offline · API
- Made for
- Developers · Businesses
- Website
- lancedb.com
What it can do
Vector searchmain jobunconfirmed
“LanceDB is designed for fast, scalable, and production-ready vector search.”— github.com, 2026-09-24
Knowledge base (RAG)supportedunconfirmed
“LanceDB powers production retrieval workloads such as semantic search, hybrid search, RAG, agent memory, and recommendation systems.”— docs.lancedb.com, 2026-09-24
unconfirmedproposed by a machine, awaiting calibration
Alternatives
- ChromaOpen source, freeAlso does: Vector search
- MilvusOpen source, freeAlso does: Vector search, Knowledge base (RAG)
- QdrantOpen source, freeAlso does: Vector search, Knowledge base (RAG)
- WeaviateOpen source, freeAlso does: Vector search, Knowledge base (RAG)
- Chroma MCP ServerOpen source, freeAlso does: Vector search, Knowledge base (RAG)
- LlamaIndexOpen source, freeAlso does: Knowledge base (RAG), Vector search
- RAGFlowOpen source, freeAlso does: Knowledge base (RAG), Vector search
- FaissOpen source, freeAlso does: Vector search
- HaystackOpen source, freeAlso does: Knowledge base (RAG), Vector search
- LightRAGOpen source, freeAlso does: Knowledge base (RAG), Vector search
- pgvectorOpen source, freeAlso does: Vector search
- QAnythingOpen source, freeAlso does: Knowledge base (RAG), Vector search
Connections
- Applies
- Vector Database
Questions
What is LanceDB?
LanceDB is an open-source AI framework, launched in 2023, made for developers and businesses. An embedded vector database for multimodal AI search, built on the Lance columnar format.
Is LanceDB free?
Yes. LanceDB is open source (Apache-2.0) and free to use.
Is LanceDB open source?
Yes, under the Apache-2.0 license. The source code is at https://github.com/lancedb/lancedb.
Can LanceDB run locally?
Yes. LanceDB can run offline on your own machine. It can also be self-hosted on your own server.
What can LanceDB do?
Main jobs: Vector search. It can also do: Knowledge base (RAG).
What are open-source alternatives to LanceDB?
Open-source ones: Chroma, Milvus, Qdrant, Weaviate, Chroma MCP Server, LlamaIndex, RAGFlow and Faiss.
Sources
- github.com/lancedb/lancedbchecked 2026-09-24
- docs.lancedb.com/checked 2026-09-24
- lancedb.com/docs