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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 30.5k 3.6k

  2. torchmetrics torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.4k 466

  3. litgpt litgpt Public

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

    Python 13k 1.4k

  4. LitServe LitServe Public

    Build custom inference engines for models, agents, multi-modal systems, RAG, pipelines and more.

    Python 3.7k 259

  5. litData litData Public

    Speed up model training by fixing data loading.

    Python 561 80

  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 1.4k 108

Repositories

Showing 10 of 24 repositories
  • 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 1,426 Apache-2.0 108 419 (8 issues need help) 62 Updated Nov 27, 2025
  • 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 30,531 Apache-2.0 3,621 813 (126 issues need help) 91 Updated Nov 27, 2025
  • 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 12,974 Apache-2.0 1,367 230 (53 issues need help) 14 Updated Nov 27, 2025
  • LitServe Public

    Build custom inference engines for models, agents, multi-modal systems, RAG, pipelines and more.

    Lightning-AI/LitServe’s past year of commit activity
    Python 3,715 Apache-2.0 259 23 (6 issues need help) 2 Updated Nov 24, 2025
  • 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 19 1 (1 issue needs help) 6 Updated Nov 24, 2025
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData’s past year of commit activity
    Python 561 Apache-2.0 80 38 (21 issues need help) 8 Updated Nov 24, 2025
  • litAI Public

    LLM router + minimal agent framework in one. Call any LLM API with OpenAI format. Unified billing, tools, retries, fallback, logging. Build agents and AI apps in pure Python. Full control. Zero magic.

    Lightning-AI/litAI’s past year of commit activity
    Python 33 Apache-2.0 8 0 1 Updated Nov 24, 2025
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics’s past year of commit activity
    Python 2,368 Apache-2.0 466 83 (36 issues need help) 35 Updated Nov 11, 2025
  • 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 36 Apache-2.0 6 2 (1 issue needs help) 3 Updated Nov 3, 2025
  • tutorials Public archive

    Collection of Pytorch lightning tutorial form as rich scripts automatically transformed to ipython notebooks.

    Lightning-AI/tutorials’s past year of commit activity
    Python 318 Apache-2.0 80 12 (9 issues need help) 3 Updated Aug 4, 2025
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