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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 464

  3. litgpt litgpt Public

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

    Python 12.9k 1.4k

  4. LitServe LitServe Public

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

    Python 3.7k 257

  5. litData litData Public

    Speed up model training by fixing data loading.

    Python 560 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
  • 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 30,471 Apache-2.0 3,607 813 (126 issues need help) 88 Updated Nov 19, 2025
  • 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 1,423 Apache-2.0 108 416 (8 issues need help) 59 Updated Nov 19, 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 12,946 Apache-2.0 1,362 233 (53 issues need help) 19 Updated Nov 19, 2025
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData’s past year of commit activity
    Python 560 Apache-2.0 80 34 (19 issues need help) 6 Updated Nov 14, 2025
  • utilities Public

    Common Python utilities and GitHub Actions in Lightning Ecosystem

    Lightning-AI/utilities’s past year of commit activity
    Python 61 Apache-2.0 19 1 (1 issue needs help) 3 Updated Nov 13, 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 3,709 Apache-2.0 257 23 (6 issues need help) 0 Updated Nov 11, 2025
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics’s past year of commit activity
    Python 2,362 Apache-2.0 464 83 (36 issues need help) 34 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 35 Apache-2.0 5 2 (1 issue needs help) 3 Updated Nov 3, 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 0 Updated Oct 27, 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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