LanceDB

LanceDB provides an AI‑native multimodal lakehouse that stores vectors, metadata, and raw binary blobs together in a columnar Lance file format, enabling lazy loading and fast approximate nearest‑neighbor search directly from object storage. Its built‑in indexes (IVF‑HNSW, scalar quantization) deliver sub‑50 ms query latency at billions of vectors while eliminating the need for a separate search cluster, reducing infrastructure complexity and cost. The platform also supports schema evolution, JSONB, full‑text search, and offers open‑source Python and TypeScript SDKs for seamless integration into AI pipelines.

Traction 10/10

San Francisco, United States · HQ

Founded 20224710K+ followers

Artificial Intelligence
Developer Tools

Updated 16 days ago

Funding

Raised to date

$30MRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.

Funding rounds are not available yet.

Founders

2 founders

David Wang

Founder / CEO

Catherine Chung

Co-Founder / CTO

Product

Problem

Organizations building AI applications must store and query massive multimodal datasets—text, images, audio, video—while keeping storage costs low and query latency fast. Traditional vector databases either require heavyweight managed services or lack native support for large binary blobs, leading to complex architectures and high infrastructure expenses.

Solution

LanceDB offers an AI‑native multimodal lakehouse that stores vectors, metadata, and raw binary blobs together in a columnar Lance file format. The format enables lazy loading of large blobs, so searches read only the necessary vector columns, dramatically reducing I/O. Built‑in indexing techniques such as IVF‑HNSW and scalar quantization provide sub‑50 ms query latency even at billions of vectors. Because the data resides in standard object storage (e.g., S3), there is no separate search cluster to manage, lowering operational overhead and cost. The system also supports schema evolution, full‑text search, and JSONB storage, allowing developers to build end‑to‑end AI pipelines—from raw data ingestion to production‑ready feature serving—within a single unified platform.

Target Audience

Primary users are data engineers, machine‑learning teams, and AI product developers who need scalable, cost‑effective storage and fast vector search for large multimodal datasets.

Features

Columnar Lance file format that co‑stores vectors, metadata, and binary blobs with lazy‑load semantics
High‑performance approximate nearest‑neighbor indexes (IVF‑HNSW, scalar quantization) scaling to 10 B+ vectors
Direct query execution from object storage without a dedicated search cluster, reducing infrastructure complexity
Built‑in support for schema evolution, JSONB, and full‑text search for flexible data modeling
Open‑source Python and TypeScript SDKs for easy integration into ML pipelines and AI applications
Distributed indexing and query execution for horizontal scalability across large datasets