sentence-transformers
Embeddings, Retrieval, and Reranking
sentence-transformers has been downloaded 469,614,083 times in total on PyPI, including 33,870,415 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
469.61M
LicenseApache 2.0
AuthorNils Reimers
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal6.*5.*
Range
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Stack: OffCI: Included3 / 83 series
Selected total157.62M
469.6MAll-time
33.9MLast 30 days
1.2MLast 24 h
14.69/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0119.4%
5.6.0
17.8M downloadsDownloads17.8M19.4% - 0212.3%
5.5.1
11.3M downloadsDownloads11.3M12.3% - 036.2%
5.6.1
5.7M downloadsDownloads5.7M6.2% - 046.1%
5.1.2
5.6M downloadsDownloads5.6M6.1% - 055.5%
3.4.1
5.1M downloadsDownloads5.1M5.5% - 065.1%
5.7.0
4.7M downloadsDownloads4.7M5.1% - 074.6%
4.1.0
4.2M downloadsDownloads4.2M4.6% - 083.4%
5.4.1
3.1M downloadsDownloads3.1M3.4% - 0937.3%
Other
34.2M downloadsDownloads34.2M37.3%
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