PyRank
pydata

bottleneck

Fast NumPy array functions written in C
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

bottleneck has 10.4M monthly downloads and 1K GitHub stars. Version 1.6.0 supports Python 3.10+, first published in 2010.

It is actively maintained under a permissive license, last released in Sep 2025.

It is built on top of numpy. It is used by 243 tracked packages, including langchain-google-vertexai, apache-superset and empyrical-reloaded.

GitHub topics include c, numpy and fast.

Downloads
Day
334.0K
Week
2.4M
Month
10.4M
Stars
1.2K
Forks
116
Issues
48
Version
1.6.0

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
63
Adoption
70
Community
60
Provenance
0
How the maintenance status was determined
Last commit
3 days ago
Monthly downloads
10,351,061
• 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
10,351,061
Stars
1,181
Stars per 1k downloads
0.11
• 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
343,693
Month daily avg
345,035
Momentum
-0.4%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.10
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
Simplified BSD
• 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
301 days ago
Total releases
53
Releases/year
3.4
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
52
Monthly downloads
10,351,061
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
59
 
Issue Burden
40.6
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
44.8%
contrib / forks
Stale Release
297d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 161.9K
Windows 4.6K
macOS 2.8K

Python Versions

3.12
29.3% 47.9K
3.13
22.8% 37.3K
3.11
22.2% 36.3K
3.10
21.1% 34.5K
3.14
4.5% 7.4K

Top Countries

1. US US
127.7K
2. GB GB
8.9K
3. IE IE
4.7K
4. UA UA
4.6K
5. DE DE
3.5K
6. SG SG
2.8K
7. IN IN
2.3K
8. JP JP
1.8K
9. KR KR
1.7K
10. NL NL
1.5K
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
Simplified BSD
First Release
November 28, 2010
Last Release
10 months ago
Last Commit
3 days ago
Latest Version
1.6.0
Total Releases
53
Contributors
52
Open PRs
14
Archived
No
Python Versions
3 3.10 3.11 3.12 3.13 3.14
Wheels
cp310 cp311 cp312 cp313 cp314 cp36 cp37 cp38 cp39
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links