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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

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 multiple GPUs, TPUs with zero code changes.

    Python 30.1k 3.6k

  2. torchmetrics torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.3k 455

  3. litgpt litgpt Public

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

    Python 12.7k 1.3k

  4. LitServe LitServe Public

    The easiest way to deploy agents, MCP servers, models, RAG, pipelines and more. No MLOps. No YAML.

    Python 3.5k 237

  5. litData litData Public

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

    Python 531 76

  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 105

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 1,395 Apache-2.0 105 369 (8 issues need help) 47 Updated Aug 30, 2025
  • pytorch-lightning Public

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

    Lightning-AI/pytorch-lightning’s past year of commit activity
    Python 30,051 Apache-2.0 3,556 902 (145 issues need help) 73 Updated Aug 29, 2025
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics’s past year of commit activity
    Python 2,328 Apache-2.0 455 68 (24 issues need help) 13 Updated Aug 28, 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 32 Apache-2.0 5 1 (1 issue needs help) 1 Updated Aug 28, 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 22 Apache-2.0 6 2 (1 issue needs help) 1 Updated Aug 27, 2025
  • utilities Public

    Common Python utilities and GitHub Actions in Lightning Ecosystem

    Lightning-AI/utilities’s past year of commit activity
    Python 57 Apache-2.0 16 2 (1 issue needs help) 0 Updated Aug 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 12,687 Apache-2.0 1,308 225 (53 issues need help) 12 Updated Aug 26, 2025
  • litData Public

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

    Lightning-AI/litData’s past year of commit activity
    Python 531 Apache-2.0 76 37 (22 issues need help) 3 Updated Aug 23, 2025
  • LitServe Public

    The easiest way to deploy agents, MCP servers, models, RAG, pipelines and more. No MLOps. No YAML.

    Lightning-AI/LitServe’s past year of commit activity
    Python 3,526 Apache-2.0 237 20 (5 issues need help) 1 Updated Aug 21, 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 319 Apache-2.0 80 12 (9 issues need help) 3 Updated Aug 4, 2025