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Lightning-AI/pytorch-lightning

Pretrain, finetune and deploy AI models on multiple GPUs, TPUs with zero code changes.

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 (26,687 stars)
Forks
 (3,233 forks)
Indexed issues
 (121 indexed issues)
open beginner issues
 (120 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
Apr 6, 2024
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
Python
PR merge metrics
 (Avg merge 9d 15h) (3 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

120 open indexed issues

Open
CI Testing ROCm
cifeaturehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Lightning-AI / pytorch-lightning · #6872 · Apr 7, 2021 · Python · 26,687 stars

3 comments4 reactions0 assignees
Open
support len(datamodule)
data handlingfeaturegood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Lightning-AI / pytorch-lightning · #5965 · Feb 14, 2021 · Python · 26,687 stars

14 comments0 reactions0 assignees
Open
CLI for inspecting checkpoints
checkpointingdesignfeaturehelp wanted
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

Lightning-AI / pytorch-lightning · #5551 · Jan 18, 2021 · Python · 26,687 stars

2 comments7 reactions1 assignee
Open
Load callback states while testing.
checkpointingfeaturehelp wantedpriority: 1trainer: testtrainer: validate
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Lightning-AI / pytorch-lightning · #5542 · Jan 16, 2021 · Python · 26,687 stars

21 comments0 reactions0 assignees
Open
Clarify the model checkpoint arguments
callback: model checkpointhelp wantedrefactor
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

Lightning-AI / pytorch-lightning · #4335 · Oct 24, 2020 · Python · 26,687 stars

16 comments8 reactions0 assignees
Open
Model Verification in Trainer
featurehelp wantedlet's do it!
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

Lightning-AI / pytorch-lightning · #1237 · Mar 25, 2020 · Python · 26,687 stars

19 comments2 reactions1 assignee