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Ultralytics

Democratizing Vision AI

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At Ultralytics, we are dedicated to creating the best artificial intelligence models in the world. Our open source works here on GitHub offer cutting-edge solutions for a wide range of AI tasks, including object detection, tracking, instance segmentation, semantic segmentation, image classification, and pose estimation 🚀.

We welcome contributions from the global community 🌍 and are always eager to hear from users with feature requests and bug reports. If you're looking for state-of-the-art AI models that are fast, accurate, and easy to use, Ultralytics is the place to be. For commercial deployments, explore our enterprise licensing options.

Join us on our mission to push the boundaries of AI and make it accessible to everyone! 💡🌟


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  1. ultralytics ultralytics Public

    Ultralytics YOLO27, YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose estimation, object tracking

    Python 63.1k 12k

  2. yolov5 yolov5 Public

    Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.

    58.3k 17.4k

  3. yolov3 yolov3 Public

    PyTorch implementation of YOLOv3, YOLOv3-SPP, and YOLOv3-tiny for real-time object detection with training, validation, inference, and multi-format export.

    Python 10.6k 3.4k

  4. notebooks notebooks Public

    Ultralytics YOLO tutorials for Colab, Kaggle, and SageMaker covering training, inference, export, and vision tasks.

    Jupyter Notebook 248 58

  5. yolo-ios-app yolo-ios-app Public template

    Ultralytics YOLO iOS app and Swift package for real-time Core ML inference across major computer vision tasks.

    Swift 531 106

  6. yolo-flutter-app yolo-flutter-app Public

    Official Ultralytics YOLO Flutter plugin for real-time inference on Android and iOS across major vision tasks.

    Dart 512 177

Repositories

Showing 10 of 57 repositories
  • ultralytics Public

    Ultralytics YOLO27, YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose estimation, object tracking

    ultralytics/ultralytics's past year of commit activity
    Python 63,127 AGPL-3.0 11,967 43 28 Updated Nov 4, 2026
  • inference Public

    High-performance Ultralytics YOLO inference in Rust with ONNX Runtime, GPU backends, CLI, and WebGPU/WASM.

    ultralytics/inference's past year of commit activity
    Rust 212 AGPL-3.0 31 0 0 Updated Nov 4, 2026
  • skills Public

    Agent skills for Ultralytics YOLO, covering models, datasets, training, tuning, inference, tracking, and export.

    ultralytics/skills's past year of commit activity
    35 AGPL-3.0 0 2 1 Updated Nov 4, 2026
  • autoimport Public

    Lightweight Python lazy imports that defer module loading to reduce startup time and initial memory use.

    ultralytics/autoimport's past year of commit activity
    Python 76 AGPL-3.0 4 0 0 Updated Nov 4, 2026
  • yolov5 Public

    Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.

    ultralytics/yolov5's past year of commit activity
    58,252 AGPL-3.0 17,446 24 (1 issue needs help) 0 Updated Nov 4, 2026
  • docs Public

    Ultralytics model comparison docs and automated QA for websites, links, spelling, sitemaps, and image sizes.

    ultralytics/docs's past year of commit activity
    Python 132 AGPL-3.0 14 0 0 Updated Nov 4, 2026
  • thop Public Forked from Lyken17/pytorch-OpCounter

    PyTorch model profiler for computing MACs and parameter counts to measure deep learning model complexity.

    ultralytics/thop's past year of commit activity
    Python 160 AGPL-3.0 543 0 0 Updated Nov 4, 2026
  • mkdocs Public

    MkDocs plugin for SEO metadata, social cards, JSON-LD, Git authors, Copy for LLM, and llms.txt generation.

    ultralytics/mkdocs's past year of commit activity
    Python 89 AGPL-3.0 2 0 0 Updated Nov 4, 2026
  • source-trace Public

    Python tool that clones two Git repositories and reports lines of code appearing in both, with per-file duplication statistics

    ultralytics/source-trace's past year of commit activity
    Python 77 AGPL-3.0 2 0 0 Updated Nov 4, 2026
  • hub-sdk Public

    Retired Python SDK for the shut-down Ultralytics HUB API, kept for reference; build new integrations on the Ultralytics Platform REST API

    ultralytics/hub-sdk's past year of commit activity
    Python 101 AGPL-3.0 5 0 0 Updated Nov 4, 2026