# YOLO11-S > YOLO11-S: one-stage object detector from the YOLO11 family. Planned for LibreYOLO (not yet packaged). - Family: YOLO11 (External baseline) - Parameters: 9.4M - GFLOPs: 21.5 - Default input size: 640px - Detection: anchor-free · nms - Architecture: one-stage · CSPDarknet backbone - Weight license: non-permissive - Paper-reported mAP@50-95: 47% ## Benchmarks (COCO val2017) Not yet benchmarked. Source: https://www.visionanalysis.org/model/yolo11s. Benchmarks produced with LibreYOLO (https://github.com/Libre-YOLO/libreyolo).