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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 31k 3.7k

  2. torchmetrics torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.4k 483

  3. litgpt litgpt Public

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

    Python 13.3k 1.4k

  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 277

  5. litData litData Public

    Speed up model training by fixing data loading.

    Python 583 89

  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 111

Repositories

Showing 10 of 25 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 26 Apache-2.0 5 0 4 Updated Apr 2, 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 42 Apache-2.0 9 2 (1 issue needs help) 5 Updated Apr 2, 2026
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics’s past year of commit activity
    Python 2,423 Apache-2.0 483 81 (34 issues need help) 37 Updated Apr 2, 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 3,853 Apache-2.0 277 26 (5 issues need help) 5 Updated Apr 2, 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 30,984 Apache-2.0 3,699 840 (124 issues need help) 133 Updated Apr 1, 2026
  • probot Public Forked from pytorch/probot
    Lightning-AI/probot’s past year of commit activity
    TypeScript 9 ISC 18 0 4 Updated Apr 1, 2026
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData’s past year of commit activity
    Python 583 Apache-2.0 89 40 (21 issues need help) 6 Updated Apr 1, 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 13,273 Apache-2.0 1,412 236 (53 issues need help) 17 Updated Apr 1, 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 1,450 Apache-2.0 111 418 (8 issues need help) 60 Updated Mar 30, 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 24 1 (1 issue needs help) 4 Updated Mar 30, 2026
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