---
title: models.nas.val API Reference
description: Explore the Ultralytics NASValidator for efficient YOLO model validation. Learn about NMS and post-processing configurations.
keywords: Ultralytics, YOLO, NASValidator, object detection, non-maximum suppression, NMS, YOLO models, machine learning
---

# Reference for `ultralytics/models/nas/val.py`

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/nas/val.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/models/nas/val.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing) — thank you! 🙏

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## ::: ultralytics.models.nas.val.NASValidator

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