# RT-DETR-R101 > RT-DETR-R101: transformer object detector from the RT-DETR family. Available in LibreYOLO, the MIT-licensed open-source library (free for commercial use). - Family: RT-DETR (Baidu) - Parameters: 76.0M - GFLOPs: 259.0 - Default input size: 640px - Detection: detr · nms-free - Architecture: transformer · ResNet-101 backbone - Weight license: Apache-2.0 - Paper-reported mAP@50-95: 54.3% - Paper: https://arxiv.org/abs/2304.08069 - Original code: https://github.com/lyuwenyu/RT-DETR ## Benchmarks (COCO val2017) | Hardware | Runtime | mAP@50-95 | FPS | Latency (ms) | VRAM (MB) | |---|---|---|---|---|---| | NVIDIA A100 | PyTorch FP32 | 53.9 | 18.6 | 53.6 | 508 | | NVIDIA Jetson Orin Nano Super 8GB | ONNX Runtime FP32 | 56.8 | 2.9 | 343.9 | - | | NVIDIA Jetson Orin Nano Super 8GB | PyTorch FP32 | 56.8 | 2.8 | 359.6 | 450 | | NVIDIA Jetson Orin Nano Super 8GB | TensorRT FP16 | 56.8 | 17.0 | 58.8 | - | | NVIDIA Jetson Orin Nano Super 8GB | TensorRT FP32 | 56.8 | 8.4 | 118.5 | - | | NVIDIA RTX 5070 Ti | ONNX Runtime FP32 | 56.8 | 47.5 | 21.1 | - | | NVIDIA RTX 5070 Ti | PyTorch FP32 | 56.8 | 23.6 | 42.4 | 456 | | NVIDIA RTX 5070 Ti | TensorRT FP16 | 56.7 | 88.0 | 11.4 | - | | NVIDIA RTX 5070 Ti | TensorRT FP32 | 56.8 | 64.4 | 15.5 | - | ## Usage with LibreYOLO ```python from libreyolo import LibreYOLO model = LibreYOLO("LibreRTDETRr101.pt") result = model("image.jpg", conf=0.25, iou=0.45) ``` Source: https://www.visionanalysis.org/model/rtdetr-r101. Benchmarks produced with LibreYOLO (https://github.com/Libre-YOLO/libreyolo).