bm25s
An ultra-fast implementation of BM25 based on sparse matrices.
bm25s has been downloaded 10,768,321 times in total on PyPI, including 1,444,942 in the last 30 days. The latest version is 0.3.9, released May 13, 2026.
Version0.3.9
Downloads
10.77M
License—
AuthorXing Han Lù
UpdatedMay 13, 2026
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal0.*
Range
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CI traffic
Stack: OffCI: Included2 / 62 series
Selected total7.93M
10.8MAll-time
1.4MLast 30 days
63.6kLast 24 h
0.59/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0141.1%
0.2.14
1.6M downloadsDownloads1.6M41.1% - 028.6%
0.3.2
341.0k downloadsDownloads341.0k8.6% - 038.3%
0.2.13
328.4k downloadsDownloads328.4k8.3% - 047.2%
0.3.9
284.9k downloadsDownloads284.9k7.2% - 056.0%
0.1.10
236.6k downloadsDownloads236.6k6.0% - 065.8%
0.3.8
228.2k downloadsDownloads228.2k5.8% - 075.7%
0.3.3
227.3k downloadsDownloads227.3k5.7% - 084.6%
0.3.2.post1
182.5k downloadsDownloads182.5k4.6% - 0912.8%
Other
506.6k downloadsDownloads506.6k12.8%
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Thirteen recent days of bm25s downloads. Drag the green handle on the right to guess where day fourteen lands.