langchain_md_files/integrations/providers/annoy.mdx

# Annoy

> [Annoy](https://github.com/spotify/annoy) (`Approximate Nearest Neighbors Oh Yeah`) 
> is a C++ library with Python bindings to search for points in space that are 
> close to a given query point. It also creates large read-only file-based data 
> structures that are mapped into memory so that many processes may share the same data. 

## Installation and Setup

```bash
pip install annoy
```


## Vectorstore

See a [usage example](/docs/integrations/vectorstores/annoy).

```python
from langchain_community.vectorstores import Annoy
```