# RF-DETR-Seg-S > RF-DETR-Seg-S: transformer object detector from the RF-DETR family. Available in LibreYOLO, the MIT-licensed open-source library (free for commercial use). - Family: RF-DETR (Roboflow) - Parameters: 0.0M - GFLOPs: 0.0 - Default input size: 384px - Detection: detr · nms-free - Architecture: transformer · DINOv2 backbone - Weight license: Apache-2.0 - Paper: https://blog.roboflow.com/rf-detr - Original code: https://github.com/roboflow/rf-detr ## Benchmarks (COCO val2017) Not yet benchmarked. ## Usage with LibreYOLO ```python from libreyolo import LibreYOLO model = LibreYOLO("LibreRFDETRs.pt") result = model("image.jpg", conf=0.25, iou=0.45) ``` Source: https://www.visionanalysis.org/model/rfdetr-seg-s. Benchmarks produced with LibreYOLO (https://github.com/Libre-YOLO/libreyolo).