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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 614 106

  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 121

Repositories

Showing 10 of 30 repositories
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData's past year of commit activity
    Python 614 Apache-2.0 106 41 (23 issues need help) 12 Updated Sep 20, 2026
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics's past year of commit activity
    Python 2,472 Apache-2.0 526 107 (42 issues need help) 83 Updated Sep 19, 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 2 9 Updated Sep 19, 2026
  • 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 6 Updated Sep 17, 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 31,356 Apache-2.0 3,797 849 (123 issues need help) 238 Updated Sep 17, 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 15, 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 33 (8 issues need help) 24 Updated Sep 14, 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 13,672 Apache-2.0 1,502 239 (52 issues need help) 51 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
  • LitModels Public

    Save, load, host, and share AI model checkpoints without slowing down training. Host on Lightning AI or your own cloud with enterprise-grade access controls.

    Lightning-AI/LitModels's past year of commit activity
    Python 40 Apache-2.0 9 2 (1 issue needs help) 8 Updated Sep 7, 2026
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