langsmith

Client library to connect to the LangSmith Observability and Evaluation Platform.

langsmith has been downloaded 1,817,235,184 times in total on PyPI, including 100,236,224 in the last 30 days. The latest version is 0.8.5, released May 15, 2026. It is distributed under the MIT license.

Version0.8.5
Downloads
1.82G
LicenseMIT
AuthorLangChain
UpdatedMay 15, 2026

Downloads

Weekly, last 90d.
Includes CI traffic.

VersionsTotal0.*
Range
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Granularity
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CI traffic
Stack: OffCI: Included2 / 509 series
Selected total542.23M
1.8GAll-time
100.2MLast 30 days
4.2MLast 24 h
43.93/sPer second

Version distribution

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

  • 01

    0.8.5

    19.2M downloads
    7.1%
  • 02

    0.1.147

    15.8M downloads
    5.8%
  • 03

    0.3.45

    14.1M downloads
    5.2%
  • 04

    0.8.3

    11.1M downloads
    4.1%
  • 05

    0.8.0

    9.8M downloads
    3.6%
  • 06

    0.8.18

    8.7M downloads
    3.2%
  • 07

    0.8.9

    7.6M downloads
    2.8%
  • 08

    0.7.33

    5.5M downloads
    2.0%
  • 09

    Other

    179.4M downloads
    66.2%

Guess the next day

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

TRUTH4.2M4.7MSATSUNMONTUEWEDTHUFRISATSUNMONTUEWEDTHU
    langsmith · 1.8G downloads on PyPI