sentence-transformers

Embeddings, Retrieval, and Reranking

sentence-transformers has been downloaded 491,701,945 times in total on PyPI, including 23,310,879 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
491.70M
LicenseApache 2.0
AuthorNils Reimers
UpdatedMay 20, 2026

Downloads

Weekly, last 90d.
Includes CI traffic.

VersionsTotal6.*5.*
Range
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Granularity
Group by
CI traffic
Stack: OffCI: Included3 / 85 series
Selected total146.65M
491.7MAll-time
23.3MLast 30 days
824.4kLast 24 h
8.69/sPer second

Version distribution

Share of downloads by released version. Computed over the last quarter.

  • 01

    5.6.0

    16.5M downloads
    19.5%
  • 02

    5.1.2

    8.7M downloads
    10.2%
  • 03

    5.6.1

    6.1M downloads
    7.2%
  • 04

    5.7.0

    6.1M downloads
    7.2%
  • 05

    3.4.1

    4.7M downloads
    5.5%
  • 06

    4.1.0

    3.9M downloads
    4.6%
  • 07

    5.5.1

    3.6M downloads
    4.3%
  • 08

    6.0.1

    3.1M downloads
    3.6%
  • 09

    Other

    32.2M downloads
    38.0%

Guess the next day

Thirteen recent days of sentence-transformers downloads. Drag the green handle on the right to guess where day fourteen lands.

TRUTH824.4k786.0kWEDTHUFRISATSUNMONTUEWEDTHUFRISATSUNMON
    sentence-transformers · 491.7M downloads on PyPI