# YOLOv8-X > YOLOv8-X: one-stage object detector from the YOLOv8 family. Planned for LibreYOLO (not yet packaged). - Family: YOLOv8 (External baseline) - Parameters: 68.2M - GFLOPs: 257.8 - Default input size: 640px - Detection: anchor-free · nms - Architecture: one-stage · CSPDarknet backbone - Weight license: non-permissive - Paper-reported mAP@50-95: 53.9% ## Benchmarks (COCO val2017) Not yet benchmarked. Source: https://www.visionanalysis.org/model/yolov8x. Benchmarks produced with LibreYOLO (https://github.com/Libre-YOLO/libreyolo).