Skip to content
@Lightning-AI

⚡️ Lightning AI

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

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.

Pinned Loading

  1. pytorch-lightning Public

    Pretrain, finetune ANY AI model of ANY size on multiple GPUs, TPUs with zero code changes.

    Python 29.3k 3.5k

  2. torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.2k 425

  3. litgpt Public

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

    Python 11.9k 1.2k

  4. LitServe Public

    Deploy high-performance AI models and inference pipelines on FastAPI with built-in batching, streaming and more.

    Python 3k 197

  5. litData Public

    Transform datasets at scale. Optimize datasets for fast AI model training.

    Python 441 61

  6. lightning-thunder Public

    Thunder gives you PyTorch models superpowers for training and inference. Unlock out-of-the-box optimizations for performance, memory and parallelism, or roll out your own.

    Python 1.3k 92

Repositories

Showing 10 of 21 repositories
  • 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.

    Python 12 Apache-2.0 2 0 1 Updated Apr 9, 2025
  • lightning-thunder Public

    Thunder gives you PyTorch models superpowers for training and inference. Unlock out-of-the-box optimizations for performance, memory and parallelism, or roll out your own.

    Python 1,321 Apache-2.0 92 310 (8 issues need help) 56 Updated Apr 9, 2025
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2,238 Apache-2.0 425 71 (26 issues need help) 14 Updated Apr 9, 2025
  • litData Public

    Transform datasets at scale. Optimize datasets for fast AI model training.

    Python 441 Apache-2.0 61 54 (36 issues need help) 5 Updated Apr 8, 2025
  • tutorials Public

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

    Python 310 Apache-2.0 80 12 (9 issues need help) 2 Updated Apr 8, 2025
  • pytorch-lightning Public

    Pretrain, finetune ANY AI model of ANY size on multiple GPUs, TPUs with zero code changes.

    Python 29,258 Apache-2.0 3,475 908 (151 issues need help) 57 Updated Apr 8, 2025
  • LitServe Public

    Deploy high-performance AI models and inference pipelines on FastAPI with built-in batching, streaming and more.

    Python 3,039 Apache-2.0 197 26 (11 issues need help) 6 Updated Apr 8, 2025
  • litgpt Public

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

    Python 11,938 Apache-2.0 1,210 265 (1 issue needs help) 14 Updated Apr 8, 2025
  • utilities Public

    Common Python utilities and GitHub Actions in Lightning Ecosystem

    Python 55 Apache-2.0 16 2 (2 issues need help) 0 Updated Apr 8, 2025
  • ecosystem-ci Public

    Automate issue discovery for your projects against Lightning nightly and releases.

    Python 47 Apache-2.0 16 6 (2 issues need help) 8 Updated Apr 8, 2025