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@Lightning-AI

⚡️ Lightning AI

Turn ideas into AI, Lightning fast. Creators of PyTorch Lightning, Lightning AI Studio, TorchMetrics, Fabric, Lit-GPT, Lit-LLaMA
README.md

Welcome to Lightning AI ⚡

The all-in-one platform for AI development. Code together. Prototype. Train. Scale. Serve. From your browser - with zero setup. From the creators of PyTorch Lightning.

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  1. pytorch-lightning pytorch-lightning Public

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

    Python 31.4k 3.8k

  2. torchmetrics torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.5k 526

  3. litgpt litgpt Public

    20+ high-performance LLMs with recipes to pretrain, finetune and deploy at scale.

    Python 13.7k 1.5k

  4. LitServe LitServe Public

    A minimal Python framework for building custom AI inference servers with full control over logic, batching, and scaling.

    Python 3.9k 305

  5. litData litData Public

    Speed up model training by fixing data loading.

    Python 615 106

  6. lightning-thunder lightning-thunder Public

    PyTorch compiler that accelerates training and inference. Get built-in optimizations for performance, memory, parallelism, and easily write your own.

    Python 1.5k 122

Repositories

Showing 10 of 30 repositories
  • LitLogger Public

    A minimal Python logger that tracks everything you try when building AI - metrics, prompts, models, etc, so you can see what changed and why.

    Lightning-AI/LitLogger's past year of commit activity
    Python 37 Apache-2.0 7 2 5 Updated Sep 22, 2026
  • sdk Public

    SDK and CLI for lightning.ai platform. Develop and train AI with ease.

    Lightning-AI/sdk's past year of commit activity
    Python 10 Apache-2.0 3 3 10 Updated Sep 22, 2026
  • skills Public
    Lightning-AI/skills's past year of commit activity
    Python 7 0 0 2 Updated Sep 22, 2026
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics's past year of commit activity
    Python 2,473 Apache-2.0 526 108 (42 issues need help) 82 Updated Sep 22, 2026
  • LitServe Public

    A minimal Python framework for building custom AI inference servers with full control over logic, batching, and scaling.

    Lightning-AI/LitServe's past year of commit activity
    Python 3,943 Apache-2.0 305 32 (8 issues need help) 21 Updated Sep 22, 2026
  • lightning-thunder Public

    PyTorch compiler that accelerates training and inference. Get built-in optimizations for performance, memory, parallelism, and easily write your own.

    Lightning-AI/lightning-thunder's past year of commit activity
    Python 1,473 Apache-2.0 121 420 (8 issues need help) 65 Updated Sep 21, 2026
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData's past year of commit activity
    Python 615 Apache-2.0 106 41 (23 issues need help) 12 Updated Sep 21, 2026
  • pytorch-lightning Public

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

    Lightning-AI/pytorch-lightning's past year of commit activity
    Python 31,358 Apache-2.0 3,798 849 (123 issues need help) 235 Updated Sep 21, 2026
  • litgpt Public

    20+ high-performance LLMs with recipes to pretrain, finetune and deploy at scale.

    Lightning-AI/litgpt's past year of commit activity
    Python 13,679 Apache-2.0 1,504 239 (52 issues need help) 52 Updated Sep 14, 2026
  • utilities Public

    Common Python utilities and GitHub Actions in Lightning Ecosystem

    Lightning-AI/utilities's past year of commit activity
    Python 62 Apache-2.0 23 1 (1 issue needs help) 13 Updated Sep 9, 2026
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