PyRank
Lightning-AI

lightning-fabric

Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.
PyPI GitHub
More links
Download Stats Bug Tracker
Monthly downloads
39.5K
Weekly downloads
9.5K
GitHub stars *
31.4K

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

Package Information

Latest Version
2.6.6
Requires Python
>=3.10
Licence
Apache-2.0
Last Release
1 month ago
Author
Lightning AI et al.
First Release
November 22, 2022
Total Releases
60
Python Versions
3 3.10 3.11 3.12 3.13
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
90
Popularity
92
Adoption
65
Community
80
Provenance
0
How the maintenance status was determined
Last commit
25 days ago
Monthly downloads
39,459
• 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
39,459
Stars
31,395
Stars per 1k downloads
795.64
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
1,355
Month daily avg
1,315
Momentum
+3.0%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.10
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
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
36 days ago
Total releases
60
Releases/year
15.4
• 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
1,017
Monthly downloads
39,459
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
87
 
Issue Burden
26.9
per 1k stars
Discussions
70.4
per 1k stars
Fork Ratio
26.6%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 564
Windows 11
macOS 6

Python Versions

3.12
39.4% 225
3.11
29.4% 168
3.13
22.9% 131
3.10
4.9% 28
3.14
3.3% 19

Top Countries

1. US US
409
2. NL NL
66
3. SG SG
40
4. FR FR
19
5. JP JP
10
6. HK HK
7
7. CN CN
6
8. AE AE
5
9. AU AU
5
10. IE IE
5

Weekly Downloads

GitHub Stars *

Dependencies

5
37 optional dependencies
  • bitsandbytes>=0.45.2[bitsandbytes]
    platform_system != "Darwin" and extra == "bitsandbytes"
  • bitsandbytes>=0.45.2[strategies]
    platform_system != "Darwin" and extra == "strategies"
  • bitsandbytes>=0.45.2[dev]
    platform_system != "Darwin" and extra == "dev"
  • bitsandbytes>=0.45.2[all]
    platform_system != "Darwin" and extra == "all"
  • click==8.1.8[dev]
    python_version < "3.11" and extra == "dev"
  • click==8.1.8[test]
    python_version < "3.11" and extra == "test"
  • coverage==7.13.4[test]
    python_version >= "3.10" and extra == "test"
  • coverage==7.13.4[dev]
    python_version >= "3.10" and extra == "dev"
  • deepspeed<0.17.0,>=0.15.0[dev]
    (platform_system != "Windows" and platform_system != "Darwin") and extra == "dev"
  • deepspeed<0.17.0,>=0.15.0[all]
    (platform_system != "Windows" and platform_system != "Darwin") and extra == "all"
  • deepspeed<0.17.0,>=0.15.0[strategies]
    (platform_system != "Windows" and platform_system != "Darwin") and extra == "strategies"
  • deepspeed<0.17.0,>=0.15.0[deepspeed]
    (platform_system != "Windows" and platform_system != "Darwin") and extra == "deepspeed"
  • huggingface-hub[test]
    extra == "test"
  • huggingface-hub[dev]
    extra == "dev"
  • hydra-core>=1.2.0[dev]
    extra == "dev"
  • hydra-core>=1.2.0[all]
    extra == "all"
  • hydra-core>=1.2.0[extra]
    extra == "extra"
  • numpy>1.21.0[dev]
    python_version < "3.12" and extra == "dev"
  • numpy>1.21.0[test]
    python_version < "3.12" and extra == "test"
  • pytest==9.0.2[dev]
    extra == "dev"
  • pytest==9.0.2[test]
    extra == "test"
  • pytest-cov==7.0.0[dev]
    extra == "dev"
  • pytest-cov==7.0.0[test]
    extra == "test"
  • pytest-random-order==1.2.0[test]
    extra == "test"
  • pytest-random-order==1.2.0[dev]
    extra == "dev"
  • pytest-rerunfailures==16.0.1[dev]
    python_version < "3.10" and extra == "dev"
  • pytest-rerunfailures==16.0.1[test]
    python_version < "3.10" and extra == "test"
  • pytest-timeout==2.4.0[test]
    extra == "test"
  • pytest-timeout==2.4.0[dev]
    extra == "dev"
  • tensorboardx>=2.6[dev]
    extra == "dev"
  • tensorboardx>=2.6[test]
    extra == "test"
  • torchmetrics>=0.10.0[dev]
    extra == "dev"
  • torchmetrics>=0.10.0[examples]
    extra == "examples"
  • torchmetrics>=0.10.0[all]
    extra == "all"
  • torchvision>=0.16.0[all]
    extra == "all"
  • torchvision>=0.16.0[dev]
    extra == "dev"
  • torchvision>=0.16.0[examples]
    extra == "examples"

Used By

5

Repository details

Forks
3.8K
Issues
844
Last Commit
3 weeks ago
Contributors
1,017
Open PRs
270
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
deep learning pytorch AI
Sources and methodology