annoy VS hora

Compare annoy vs hora and see what are their differences.


Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk (by spotify)
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annoy hora
15 7
9,893 2,172
3.3% 0.9%
4.0 6.0
2 months ago 7 months ago
C++ Rust
Apache License 2.0 Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of annoy. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-03-02.


Posts with mentions or reviews of hora. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-09-04.

What are some alternatives?

When comparing annoy and hora you can also consider the following projects:

faiss - A library for efficient similarity search and clustering of dense vectors.

implicit - Fast Python Collaborative Filtering for Implicit Feedback Datasets

hnswlib - Header-only C++/python library for fast approximate nearest neighbors

TensorRec - A TensorFlow recommendation algorithm and framework in Python.

vald - Vald. A Highly Scalable Distributed Vector Search Engine

spotlight - Deep recommender models using PyTorch.

milvus - An open-source vector database for scalable similarity search and AI applications.

fastFM - fastFM: A Library for Factorization Machines

libffm - A Library for Field-aware Factorization Machines

instant-distance - Fast approximate nearest neighbor searching in Rust, based on HNSW index

NumToA - An efficient method of heaplessly converting numbers into their string representations, storing the representation within a reusable byte array.

horapy - 🐍 Python bidding for the Hora Approximate Nearest Neighbor Search Algorithm library