sentence-transformers
Embeddings, Retrieval, and Reranking
sentence-transformers has been downloaded 485,598,701 times in total on PyPI, including 27,089,994 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
485.60M
LicenseApache 2.0
AuthorNils Reimers
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal6.*5.*
Range
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CI traffic
Stack: OffCI: Included3 / 84 series
Selected total151.41M
485.6MAll-time
27.1MLast 30 days
781.6kLast 24 h
8.75/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0122.2%
5.6.0
19.2M downloadsDownloads19.2M22.2% - 028.9%
5.1.2
7.8M downloadsDownloads7.8M8.9% - 037.0%
5.6.1
6.0M downloadsDownloads6.0M7.0% - 046.6%
5.7.0
5.7M downloadsDownloads5.7M6.6% - 055.5%
3.4.1
4.8M downloadsDownloads4.8M5.5% - 064.5%
4.1.0
3.9M downloadsDownloads3.9M4.5% - 074.4%
5.5.1
3.8M downloadsDownloads3.8M4.4% - 083.3%
6.0.0
2.9M downloadsDownloads2.9M3.3% - 0937.6%
Other
32.6M downloadsDownloads32.6M37.6%
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Thirteen recent days of sentence-transformers downloads. Drag the green handle on the right to guess where day fourteen lands.