PyRank
f-dangel

backpack-for-pytorch

BackPACK - a backpropagation package built on top of PyTorch which efficiently computes quantities other than the gradient.
PyPI GitHub
More links
Download Stats
Monthly downloads
7.0K
Weekly downloads
1.5K
GitHub stars
617

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
1.7.1
Requires Python
>=3.9
Licence
MIT
Last Release
1 year ago
Author
Felix Dangel, Frederik Kunstner
First Release
October 3, 2019
Total Releases
13
Python Versions
3.9 3.10 3.11 3.12
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
40
Popularity
56
Adoption
48
Community
25
Provenance
0
How the maintenance status was determined
Last commit
323 days ago
Monthly downloads
7,044
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
7,044
Stars
617
Stars per 1k downloads
87.59
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
218
Month daily avg
235
Momentum
-7.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.9
Cutting Edge
Minimum supported version is 3.14 or newer
Modern
Minimum supported version is 3.11 to 3.13
• Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
• 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
700 days ago
Total releases
13
Releases/year
1.8
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
8
Monthly downloads
7,044
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
41
 
Issue Burden
45.4
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
14.0%
contrib / forks
Stale Release
377d
 
PR Velocity
Active
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 108
Windows 5
macOS 4

Python Versions

3.10
50.9% 59
3.12
31.9% 37
3.11
7.8% 9
3.13
5.2% 6
3.14
4.3% 5

Top Countries

1. US US
105
2. NL NL
7
3. ES ES
4
4. IE IE
3
5. JP JP
2
6. SE SE
2
7. SG SG
2
8. CA CA
1
9. CN CN
1
10. HK HK
1

Weekly Downloads

GitHub Stars

Dependencies

4
25 optional dependencies

Used By

3

Repository details

Forks
57
Issues
28
Last Commit
10 months ago
Contributors
8
Open PRs
5
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Sources and methodology