# LanceDB

Framework · https://godooo.ai/en/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.

## At a glance

- **Type:** [Framework](https://godooo.ai/en/browse#framework)
- **Launched:** 2023
- **Galaxy:** [Models & APIs](https://godooo.ai/en/galaxy/builders)
- **Open source:** Yes · Apache-2.0
- **Source code:** [github.com/lancedb/lancedb](https://github.com/lancedb/lancedb)
- **GitHub stars:** 11,516
- **How you run it:** Self-host · Runs offline · API
- **Made for:** Developers · Businesses
- **Website:** [lancedb.com](https://lancedb.com/docs)

## What it can do

- **[Vector search](https://godooo.ai/en/capability/vector-search)** — main job, _proposed by a machine, awaiting calibration_. “LanceDB is designed for fast, scalable, and production-ready vector search.” (read on [github.com](https://github.com/lancedb/lancedb), 2026-09-24)
- **[Knowledge base (RAG)](https://godooo.ai/en/capability/knowledge-base)** — supported, _proposed by a machine, awaiting calibration_. “LanceDB powers production retrieval workloads such as semantic search, hybrid search, RAG, agent memory, and recommendation systems.” (read on [docs.lancedb.com](https://docs.lancedb.com/), 2026-09-24)

## Alternatives

- **[Chroma](https://godooo.ai/en/framework/chroma)** (Open source, free): Also does: Vector search
- **[Milvus](https://godooo.ai/en/framework/milvus)** (Open source, free): Also does: Vector search, Knowledge base (RAG)
- **[Qdrant](https://godooo.ai/en/framework/qdrant)** (Open source, free): Also does: Vector search, Knowledge base (RAG)
- **[Weaviate](https://godooo.ai/en/framework/weaviate)** (Open source, free): Also does: Vector search, Knowledge base (RAG)
- **[Chroma MCP Server](https://godooo.ai/en/mcp/chroma)** (Open source, free): Also does: Vector search, Knowledge base (RAG)
- **[LlamaIndex](https://godooo.ai/en/framework/llamaindex)** (Open source, free): Also does: Knowledge base (RAG), Vector search
- **[RAGFlow](https://godooo.ai/en/product/ragflow)** (Open source, free): Also does: Knowledge base (RAG), Vector search
- **[Faiss](https://godooo.ai/en/framework/faiss)** (Open source, free): Also does: Vector search
- **[Haystack](https://godooo.ai/en/framework/haystack)** (Open source, free): Also does: Knowledge base (RAG), Vector search
- **[LightRAG](https://godooo.ai/en/framework/lightrag)** (Open source, free): Also does: Knowledge base (RAG), Vector search
- **[pgvector](https://godooo.ai/en/framework/pgvector)** (Open source, free): Also does: Vector search
- **[QAnything](https://godooo.ai/en/product/qanything)** (Open source, free): Also does: Knowledge base (RAG), Vector search

## Connections

- **Applies:** [Vector Database](https://godooo.ai/en/concept/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](https://github.com/lancedb/lancedb) — checked 2026-09-24
- [docs.lancedb.com](https://docs.lancedb.com/) — checked 2026-09-24
- [lancedb.com](https://lancedb.com/docs)

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Last updated 2026-09-24 · sources checked 2026-09-24 · Markdown version of https://godooo.ai/en/framework/lancedb. Every page on this site has one: add .md to its address.