langchain-core
Building applications with LLMs through composability
langchain-core has been downloaded 2,053,540,386 times in total on PyPI, including 144,080,974 in the last 30 days. The latest version is 1.6.6, released Sep 29, 2026. It is distributed under the MIT license.
Version1.6.6
Downloads
2.05G
LicenseMIT
Author—
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal1.*0.*
Range
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Granularity
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CI traffic
Stack: OffCI: Included3 / 308 series
Selected total946.42M
2.1GAll-time
144.1MLast 30 days
3.9MLast 24 h
57.38/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 015.1%
1.4.9
24.0M downloadsDownloads24.0M5.1% - 024.6%
1.4.8
21.5M downloadsDownloads21.5M4.6% - 033.9%
1.5.3
18.2M downloadsDownloads18.2M3.9% - 043.6%
1.4.0
16.8M downloadsDownloads16.8M3.6% - 053.3%
0.3.86
15.2M downloadsDownloads15.2M3.3% - 062.4%
0.1.53
11.3M downloadsDownloads11.3M2.4% - 072.3%
1.6.0
10.7M downloadsDownloads10.7M2.3% - 081.8%
0.1.52
8.4M downloadsDownloads8.4M1.8% - 0973.0%
Other
341.2M downloadsDownloads341.2M73.0%
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Thirteen recent days of langchain-core downloads. Drag the green handle on the right to guess where day fourteen lands.