# Vespa

>[Vespa](https://vespa.ai/) is a fully featured search engine and vector database. 
> It supports vector search (ANN), lexical search, and search in structured data, all in the same query.
 
## Installation and Setup


```bash
pip install pyvespa
```



## Retriever

See a [usage example](../modules/indexes/retrievers/examples/vespa.ipynb).

```python
from langchain.retrievers import VespaRetriever
```