PyPI Stats
Lightning-AI

pytorch-lightning

Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.
PyPI GitHub

Shared Repository

This package shares its GitHub repository (Lightning-AI/lightning) with 3 other packages. Stars, forks, and other GitHub metrics reflect the entire repository.
Downloads
Day
430.0K
Week
2.5M
Month
11.5M
Stars
31.1K
Forks
3.7K
Issues
843
Version
2.6.1

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
100
Popularity
92
Adoption
70
Community
80
How the maintenance status was determined
Last commit
7 days ago
Monthly downloads
11,506,087
• 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
11,506,087
Stars
31,101
Stars per 1k downloads
2.70
• 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
350,993
Month daily avg
383,536
Momentum
-8.5%
((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
Apache-2.0
• 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
96 days ago
Total releases
255
Releases/year
35.9
• 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
1,029
Monthly downloads
11,506,087
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
86
 
Issue Burden
27.1
per 1k stars
Discussions
71.0
per 1k stars
Fork Ratio
27.7%
contrib / forks
Stale Release
88d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 185.4K
Windows 18.0K
macOS 5.3K

Python Versions

3.12
47.0% 91.9K
3.10
27.5% 53.7K
3.11
17.6% 34.4K
3.8
4.1% 8.1K
3.9
3.8% 7.5K

Top Countries

1. US US
138.1K
2. DE DE
13.2K
3. SG SG
7.7K
4. FI FI
6.0K
5. IE IE
5.5K
6. JP JP
4.8K
7. NL NL
3.6K
8. CN CN
3.4K
9. CA CA
3.4K
10. KR KR
2.9K

Dependencies

8
75 optional dependencies

Used By

531
View all 531 dependents

Package Information

License
Apache-2.0
First Release
March 31, 2019
Last Release
3 months ago
Last Commit
1 week ago
Latest Version
2.6.1
Total Releases
255
Contributors
1,029
Open PRs
155
Archived
No
Author
Lightning AI et al.
Python Versions
3 3.10 3.11 3.12 3.13
Wheels
py3
Keywords
deep learning pytorch AI
Topics
python deep-learning artificial-intelligence ai pytorch data-science machine-learning
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links