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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 31.3k 3.8k

  2. torchmetrics torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.5k 512

  3. litgpt litgpt Public

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

    Python 13.6k 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 299

  5. litData litData Public

    Speed up model training by fixing data loading.

    Python 611 103

  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 120

Repositories

Showing 10 of 30 repositories
  • 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 8 Apache-2.0 2 0 5 Updated Aug 17, 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) 12 Updated Aug 17, 2026
  • skills Public
    Lightning-AI/skills's past year of commit activity
    Python 5 0 0 0 Updated Aug 17, 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 13,619 Apache-2.0 1,486 234 (52 issues need help) 40 Updated Aug 17, 2026
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData's past year of commit activity
    Python 611 Apache-2.0 103 43 (23 issues need help) 12 Updated Aug 15, 2026
  • litracer Public

    A tool for converting Lightning AI's LitData logs to Chrome-compatible trace files.

    Lightning-AI/litracer's past year of commit activity
    Go 2 Apache-2.0 0 0 0 Updated Aug 14, 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 6 0 5 Updated Aug 13, 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 3,929 Apache-2.0 299 29 (8 issues need help) 13 Updated Aug 12, 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 1,469 Apache-2.0 120 419 (8 issues need help) 66 Updated Aug 10, 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 31,290 Apache-2.0 3,777 849 (123 issues need help) 226 Updated Aug 9, 2026
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