--- description: Explore the detailed guide on using the Ultralytics YOLO Engine Model. Learn better ways to implement, train and evaluate YOLO models. keywords: Ultralytics, YOLO, engine model, documentation, guide, implementation, training, evaluation --- # Reference for `ultralytics/engine/model.py` !!! note Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/engine/model.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/engine/model.py). Help us fix any issues you see by submitting a [Pull Request](/help/contributing/) 🛠️. Thank you 🙏! --- ## ::: ultralytics.engine.model.Model