# Cobalt: Hybrid Search

Cobalt is a demo app for hybrid search with vector and surface search using [Ruri](https://huggingface.co/cl-nagoya/ruri-large), [BM25](https://github.com/dorianbrown/rank_bm25) and [Voyager](https://spotify.github.io/voyager/). The name cobalt is derived from the word 瑠璃 (Ruri), which refers to cobalt glass.

## Requirements

- Python 3.10
- rank_bm25
- huggingface
- voyager
- Other Python packages are refer to [requirements.txt](./requirements.txt)