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bm25s
Python

bm25s

Fast BM25 search in Python, powered by Numpy and Numba

by xhluca · GitHub
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bm25bm25-lbm25-plusMITPython
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In plain words

Rank documents based on a search query using a fast Python library for text retrieval.

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1 7371 736
2026-07-202026-08-31
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📄 About

Fast BM25 search in Python, powered by Numpy and Numba

bm25s has 1.7k stars on GitHub. It has been forked 102 times. bm25s is written mainly in Python. It has been in active development since 2024. bm25s is available under the MIT license. Its main topics are bm25, bm25-l, bm25-plus, information-retrieval.

Frequently asked questions

What is bm25s?

Fast BM25 search in Python, powered by Numpy and Numba

Is bm25s open source?

bm25s is an open-source project. It is released under the MIT license.

Is bm25s free?

Yes. bm25s is free and open source — you can use, modify and self-host it.

What license does bm25s use?

bm25s is available under the MIT license.

What language is bm25s written in?

bm25s is written mainly in Python.

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