PyRank
cloudpipe

cloudpickle

Extended pickling support for Python objects
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

cloudpickle has 143.7M monthly downloads and 2K GitHub stars. Version 3.1.2 supports Python 3.8+, first published in 2015.

It is minimally maintained under a permissive license, last released in Nov 2025.

It is used by 1,069 tracked packages, including browser-use, snowflake-snowpark-python and mlflow-skinny.

Downloads
Day
4.5M
Week
33.7M
Month
143.7M
Stars
1.9K
Forks
192
Issues
93
Version
3.1.2

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
50
Popularity
68
Adoption
80
Community
60
Provenance
100
How the maintenance status was determined
Last commit
243 days ago
Monthly downloads
143,743,246
Active
Activity within 30 days
Stable
Activity within 31-180 days
• Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
143,743,246
Stars
1,932
Stars per 1k downloads
0.01
• Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
4,812,915
Month daily avg
4,791,442
Momentum
+0.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.8
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD-3-Clause
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
245 days ago
Total releases
41
Releases/year
3.7
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
69
Monthly downloads
143,743,246
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
62
 
Issue Burden
48.1
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
35.9%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 3.1M
Windows 65.6K
macOS 25.6K

Python Versions

3.12
25.2% 707.3K
3.10
21.1% 592.7K
3.11
21.1% 592.4K
3.13
18.4% 517.4K
3.9
14.1% 394.8K

Top Countries

1. US US
2.4M
2. SG SG
131.8K
3. IE IE
90.9K
4. DE DE
75.0K
5. JP JP
73.8K
6. IN IN
71.5K
7. NL NL
51.0K
8. GB GB
43.1K
9. CA CA
28.5K
10. AU AU
24.7K

Package Information

License
BSD-3-Clause
First Release
April 16, 2015
Last Release
8 months ago
Last Commit
8 months ago
Latest Version
3.1.2
Total Releases
41
Contributors
69
Open PRs
14
Archived
No
Author
The cloudpickle developer team
Python Versions
3.8 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py2 py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links