PyPI Stats
cupy

cupy-cuda90

NumPy & SciPy for GPU
PyPI GitHub

Shared Repository

This package shares its GitHub repository (cupy/cupy) with 20 other packages. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
119
Week
624
Month
4.1K
Stars
10.9K
Forks
1.0K
Issues
558
Version
8.6.0

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
100
Popularity
86
Adoption
36
Community
70
How the maintenance status was determined
Last commit
5 days ago
Monthly downloads
4,120
• 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
4,120
Stars
10,925
Stars per 1k downloads
2651.70
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
89
Month daily avg
137
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
Python version support tiers
requires_python
>=3.5.0
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
MIT License
• 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
1868 days ago
Total releases
65
Releases/year
7.9
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
371
Monthly downloads
4,120
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
64
 
Issue Burden
51.1
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
36.2%
contrib / forks
Stale Release
1863d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 4

Python Versions

3.5
50.0% 2
3.7
25.0% 1
3.8
25.0% 1

Top Countries

1. CN CN
60
2. FR FR
10
3. US US
6
4. HK HK
2
5. TR TR
2
6. AU AU
1

Dependencies

2
15 optional dependencies

Used By

1

Package Information

License
MIT License
First Release
February 20, 2018
Last Release
5 years ago
Last Commit
5 days ago
Latest Version
8.6.0
Total Releases
65
Contributors
371
Open PRs
108
Archived
No
Author
Seiya Tokui
Python Versions
3 3.5 3.6 3.7 3.8 3.9
Wheels
cp27 cp34 cp35 cp36 cp37 cp38 cp39
Topics
cuda cudnn cublas cusolver nccl python numpy cupy curand cusparse gpu cutensor scipy nvtx nvrtc tensor cusparselt rocm
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links