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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 Public

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

    Python 30k 3.6k

  2. torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.3k 455

  3. litgpt Public

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

    Python 12.6k 1.3k

  4. LitServe Public

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

    Python 3.5k 234

  5. litData Public

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

    Python 524 75

  6. 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.

    Python 1,388 Apache-2.0 105 365 (8 issues need help) 70 Updated Aug 18, 2025
  • pytorch-lightning Public

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

    Python 29,988 Apache-2.0 3,559 921 (146 issues need help) 72 Updated Aug 18, 2025
  • utilities Public

    Common Python utilities and GitHub Actions in Lightning Ecosystem

    Python 57 Apache-2.0 15 2 (1 issue needs help) 0 Updated Aug 18, 2025
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2,330 Apache-2.0 455 66 (24 issues need help) 13 Updated Aug 18, 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.

    Python 20 Apache-2.0 4 0 0 Updated Aug 18, 2025
  • litgpt Public

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

    Python 12,639 Apache-2.0 1,295 222 (53 issues need help) 9 Updated Aug 14, 2025
  • LitServe Public

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

    Python 3,503 Apache-2.0 234 20 (5 issues need help) 1 Updated Aug 12, 2025
  • litData Public

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

    Python 524 Apache-2.0 75 34 (21 issues need help) 1 Updated Aug 12, 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.

    Python 30 Apache-2.0 5 1 (1 issue needs help) 1 Updated Aug 7, 2025
  • tutorials Public

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

    Python 319 Apache-2.0 80 12 (9 issues need help) 3 Updated Aug 4, 2025