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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 30.9k 3.7k

  2. torchmetrics torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.4k 474

  3. litgpt litgpt Public

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

    Python 13.2k 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 3.8k 270

  5. litData litData Public

    Speed up model training by fixing data loading.

    Python 579 88

  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 109

Repositories

Showing 10 of 25 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 30,916 Apache-2.0 3,677 836 (125 issues need help) 133 Updated Mar 10, 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 24 Apache-2.0 5 0 0 Updated Mar 10, 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 1,445 Apache-2.0 109 417 (8 issues need help) 62 Updated Mar 9, 2026
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics’s past year of commit activity
    Python 2,416 Apache-2.0 474 84 (36 issues need help) 30 Updated Mar 9, 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 13,218 Apache-2.0 1,407 235 (53 issues need help) 17 Updated Mar 6, 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 3,810 Apache-2.0 270 24 (5 issues need help) 3 Updated Mar 2, 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) 5 Updated Mar 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) 3 Updated Mar 2, 2026
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData’s past year of commit activity
    Python 579 Apache-2.0 88 38 (21 issues need help) 10 Updated Mar 2, 2026
  • 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 43 Apache-2.0 10 1 0 Updated Jan 15, 2026
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