--- description: Get to know more about Ultralytics nn.autobackend.check_class_names functionality. Optimize your YOLO models seamlessly. keywords: Ultralytics, AutoBackend, check_class_names, YOLO, YOLO models, optimization --- # Reference for `ultralytics/nn/autobackend.py` !!! Note This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/autobackend.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/autobackend.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/nn/autobackend.py) 🛠️. Thank you 🙏!

## ::: ultralytics.nn.autobackend.AutoBackend

## ::: ultralytics.nn.autobackend.check_class_names