# LanceDB

Embedded, developer-friendly retrieval library for multimodal AI. LanceDB is free, with no paid plan attached, at lancedb.com.

## Facts

- **Pricing tier:** Free
- **Works on:** Self-hosted, API
- **Works in browser:** No

## Capabilities

- Embedded, developer-friendly retrieval library for multimodal AI
- Columnar Lance format with vector and full-text search
- Apache-2.0

## FAQ

### What is LanceDB?

LanceDB is listed under Vector Databases & RAG Infra, in the Code & Development category on Flocci AI Tools. Embedded, developer-friendly retrieval library for multimodal AI. It is free, with no paid plan attached, and it lives at lancedb.com.

### Is LanceDB free?

LanceDB is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use LanceDB in a browser, or is there an app?

LanceDB needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on self-hosting and an API.

### What can LanceDB do?

LanceDB does 3 things the catalog singles out: Embedded, developer-friendly retrieval library for multimodal ai; columnar lance format with vector and full-text search; apache-2.0.

### What is the best free alternative to LanceDB?

Vespa is the closest free alternative: it sits in the same Vector Databases & RAG Infra sub-category and is free. Microsoft GraphRAG, Milvus and pgvector also start free. The full list is on the alternatives page.

## Related

- [LanceDB alternatives](https://aitools.flocci.in/alternatives/lancedb)
- [Vector Databases & RAG Infra](https://aitools.flocci.in/category/code-development/vector-databases-rag-infra)
- [Best free vector databases and RAG infrastructure](https://aitools.flocci.in/best/best-vector-databases-rag-infra)
---

Source: Flocci AI Tools — https://aitools.flocci.in/tool/lancedb

Facts last verified: October 2026