Pyyan / Compare / RTMDet vs RF-DETR vs YOLO26 vs Grounding DINO
Object Detection · verified 13 Aug 2026
| Specification | RTMDet | RF-DETR | YOLO26 | Grounding DINO |
|---|---|---|---|---|
| Summary | Pure throughput, and an MIT licence. | First real-time detector past 60 mAP on COCO. | The latest in the line most people mean by object detection. | Detects whatever you describe in words. |
| COCO mAP | ~52 | 60.5 | ~55 | ~52 zero-shot |
| Speed | 300+ | Real time | Very high | Moderate |
| Licence | MIT | Apache 2.0 | AGPL-3.0 | Apache 2.0 |
| Family | Single stage | Transformer, set prediction | Single stage | Open vocabulary |
| Open vocabulary | No | No | No | Yes |
| Released | 2022 | 2025 | 2026 | 2023 |
| Category | Object Detection | Object Detection | Object Detection | Object Detection |
| Official | OpenMMLab ↗ | Roboflow ↗ | Ultralytics ↗ | IDEA Research ↗ |
Highlighted rows are where these differ.
Best for high frame-rate video.
Best for most custom detection tasks.
Best for edge and mobile deployment.
Best for classes you have no data for.