sentence-transformers
Embeddings, Retrieval, and Reranking
sentence-transformers has been downloaded 436,369,058 times in total on PyPI, including 27,619,147 in the last 30 days. The latest version is 5.5.1, released May 20, 2026. It is distributed under the Apache 2.0 license.
Version5.5.1
Downloads
436.37M
LicenseApache 2.0
AuthorNils Reimers
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal5.*4.*
Range
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CI traffic
Stack: OffCI: Included3 / 81 series
Selected total147.62M
436.4MAll-time
27.6MLast 30 days
745.7kLast 24 h
12.16/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0116.9%
5.6.0
14.4M downloadsDownloads14.4M16.9% - 0214.4%
5.5.1
12.3M downloadsDownloads12.3M14.4% - 039.3%
5.4.1
7.9M downloadsDownloads7.9M9.3% - 045.6%
3.4.1
4.8M downloadsDownloads4.8M5.6% - 054.8%
4.1.0
4.1M downloadsDownloads4.1M4.8% - 064.3%
5.3.0
3.6M downloadsDownloads3.6M4.3% - 074.2%
5.1.2
3.6M downloadsDownloads3.6M4.2% - 084.0%
5.5.0
3.4M downloadsDownloads3.4M4.0% - 0936.4%
Other
31.0M downloadsDownloads31.0M36.4%
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Thirteen recent days of sentence-transformers downloads. Drag the green handle on the right to guess where day fourteen lands.