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https://github.com/spotify/voyager

🛰️ An approximate nearest-neighbor search library for Python and Java with a focus on ease of use, simplicity, and deployability.
https://github.com/spotify/voyager

hnsw hnswlib java machine-learning nearest-neighbor-search python

Last synced: 2 days ago
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🛰️ An approximate nearest-neighbor search library for Python and Java with a focus on ease of use, simplicity, and deployability.

Host: GitHub
URL: https://github.com/spotify/voyager
Owner: spotify
License: apache-2.0
Created: 2023-04-13T13:07:27.000Z (over 1 year ago)
Default Branch: main
Last Pushed: 2024-12-19T07:44:26.000Z (10 days ago)
Last Synced: 2024-12-19T23:00:17.859Z (9 days ago)
Topics: hnsw, hnswlib, java, machine-learning, nearest-neighbor-search, python
Language: C++
Homepage: https://spotify.github.io/voyager/
Size: 12 MB
Stars: 1,347
Watchers: 13
Forks: 58
Open Issues: 11
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md

Awesome Lists containing this project

awesome-vector-database - Voyager

README

        ![The word Voyager_in blue, with a multicoloured graphic illustrating an orbit to its left.](https://github.com/spotify/voyager/assets/213293/c99cd0e8-cd38-486f-bb61-15f74028ba52)

[![License: Apache 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/spotify/voyager/blob/master/LICENSE)

[![Documentation](https://img.shields.io/badge/Documentation-on%20github.io-brightgreen)](https://spotify.github.io/voyager)

[![Supported Platforms](https://img.shields.io/badge/platforms-macOS%20%7C%20Windows%20%7C%20Linux-green)](https://pypi.org/project/voyager)

[![Apple Silicon support for macOS and Linux (Docker)](https://img.shields.io/badge/Apple%20Silicon-macOS%20and%20Linux-brightgreen)](https://pypi.org/project/voyager)

[![Test Badge](https://github.com/spotify/voyager/actions/workflows/all.yml/badge.svg)](https://github.com/spotify/voyager/actions/workflows/all.yml)

**_Voyager_** is a library for performing fast approximate nearest-neighbor searches on an in-memory collection of vectors.

Voyager features bindings to both Python and Java, with feature parity and index compatibility between both languages. It uses the HNSW algorithm, based on [the open-source `hnswlib` package](https://github.com/nmslib/hnswlib), with numerous features added for convenience and speed. Voyager is used extensively in production at Spotify, and is queried hundreds of millions of times per day to power numerous user-facing features.

Think of Voyager like [Sparkey](https://github.com/spotify/sparkey), but for vector/embedding data; or like [Annoy](https://github.com/spotify/annoy), but with [much higher recall](http://ann-benchmarks.com/). It got its name because it searches through (embedding) space(s), much like [the Voyager interstellar probes](https://en.wikipedia.org/wiki/Voyager_program) launched by NASA in 1977.

[![Python Documentation](https://img.shields.io/badge/Python%20Documentation-on%20github.io-brightgreen)](https://spotify.github.io/voyager/python)

[![Java Documentation](https://img.shields.io/badge/Java%20Documentation-on%20github.io-brightgreen)](https://spotify.github.io/voyager/java)

### Installation

#### Python

```shell

pip install voyager

```

#### Java

Add the following artifact to your `pom.xml`:

```xml

  com.spotify

  voyager

  2.1.0

```

You can find the latest version on [Voyager's Releases page](https://github.com/spotify/voyager/releases).

#### Scala

Add the following artifact to your `build.sbt`:

```sbt

"com.spotify" % "voyager" % "2.1.0"

```

You can find the latest version on [Voyager's Releases page](https://github.com/spotify/voyager/releases).

### Compatibility

| OS        | Language | Version | x86_64 (Intel) | arm64 (ARM) |

|-----------|----------|---------|---------| --------|

| Linux     | Python   | 3.7     | ✅       | ✅       |

| Linux     | Python   | 3.8     | ✅       | ✅       |

| Linux     | Python   | 3.9     | ✅       | ✅       |

| Linux     | Python   | 3.10    | ✅       | ✅       |

| Linux     | Python   | 3.11    | ✅       | ✅       |

| Linux     | Python   | 3.12    | ✅       | ✅       |

| Linux     | Java     | 8-16+   | ✅       | ✅      |

| macOS     | Python   | 3.7     | ✅       | ✅       |

| macOS     | Python   | 3.8     | ✅       | ✅       |

| macOS     | Python   | 3.9     | ✅       | ✅       |

| macOS     | Python   | 3.10    | ✅       | ✅       |

| macOS     | Python   | 3.11    | ✅       | ✅       |

| macOS     | Python   | 3.12    | ✅       | ✅       |

| macOS     | Java     | 8-16+   | ✅       | ✅       |

| Windows   | Python   | 3.7     | ✅       | ❌       |

| Windows   | Python   | 3.8     | ✅       | ❌       |

| Windows   | Python   | 3.9     | ✅       | ❌       |

| Windows   | Python   | 3.10    | ✅       | ❌       |

| Windows   | Python   | 3.11    | ✅       | ❌       |

| Windows   | Python   | 3.12    | ✅       | ❌       |

| Windows   | Java     | 8-16+   | ✅       | ❌       |

## Contributing

Contributions to `voyager` are welcomed!

See [CONTRIBUTING.md](https://github.com/spotify/voyager/blob/master/CONTRIBUTING.md) for details.

### License

Voyager is copyright 2022-2024 Spotify AB.

Voyager is licensed under the [Apache 2 License]([https://www.gnu.org/licenses/gpl-3.0.en.html](https://www.apache.org/licenses/LICENSE-2.0)).