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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 30.3k 3.6k

  2. torchmetrics torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Python 2.3k 464

  3. litgpt litgpt Public

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

    Python 12.8k 1.3k

  4. LitServe LitServe Public

    Build your own inference engine with expert control. Deploy agents, MCP servers, models, RAG, pipelines and more. No MLOps. No YAML.

    Python 3.6k 243

  5. litData litData Public

    Speed up model training by fixing data loading.

    Python 550 80

  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 107

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 1,414 Apache-2.0 107 395 (8 issues need help) 52 Updated Oct 14, 2025
  • LitServe Public

    Build your own inference engine with expert control. Deploy agents, MCP servers, models, RAG, pipelines and more. No MLOps. No YAML.

    Lightning-AI/LitServe’s past year of commit activity
    Python 3,591 Apache-2.0 243 23 (6 issues need help) 3 Updated Oct 14, 2025
  • 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 30,253 Apache-2.0 3,581 823 (133 issues need help) 102 Updated Oct 14, 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 29 Apache-2.0 8 0 1 Updated Oct 13, 2025
  • litData Public

    Speed up model training by fixing data loading.

    Lightning-AI/litData’s past year of commit activity
    Python 550 Apache-2.0 80 35 (20 issues need help) 7 Updated Oct 13, 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 12,837 Apache-2.0 1,341 228 (53 issues need help) 16 Updated Oct 13, 2025
  • torchmetrics Public

    Machine learning metrics for distributed, scalable PyTorch applications.

    Lightning-AI/torchmetrics’s past year of commit activity
    Python 2,340 Apache-2.0 464 76 (30 issues need help) 29 Updated Oct 9, 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 34 Apache-2.0 5 2 (1 issue needs help) 1 Updated Oct 6, 2025
  • utilities Public

    Common Python utilities and GitHub Actions in Lightning Ecosystem

    Lightning-AI/utilities’s past year of commit activity
    Python 60 Apache-2.0 17 2 (1 issue needs help) 1 Updated Oct 6, 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 318 Apache-2.0 80 12 (9 issues need help) 3 Updated Aug 4, 2025
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