# Model Zoo ## Standard Models. |Model |size |mAPval
0.5:0.95 |mAPtest
0.5:0.95 | Speed V100
(ms) | Params
(M) |FLOPs
(G)| weights | | ------ |:---: | :---: | :---: |:---: |:---: | :---: | :----: | |[YOLOX-s](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_s.py) |640 |40.5 |40.5 |9.8 |9.0 | 26.8 | [github](https://github.com/Megvii-BaseDetection/YOLOX/releases/download/0.1.1rc0/yolox_s.pth) | |[YOLOX-m](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_m.py) |640 |46.9 |47.2 |12.3 |25.3 |73.8| [github](https://github.com/Megvii-BaseDetection/YOLOX/releases/download/0.1.1rc0/yolox_m.pth) | |[YOLOX-l](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_l.py) |640 |49.7 |50.1 |14.5 |54.2| 155.6 | [github](https://github.com/Megvii-BaseDetection/YOLOX/releases/download/0.1.1rc0/yolox_l.pth) | |[YOLOX-x](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_x.py) |640 |51.1 |**51.5** | 17.3 |99.1 |281.9 | [github](https://github.com/Megvii-BaseDetection/YOLOX/releases/download/0.1.1rc0/yolox_x.pth) | |[YOLOX-Darknet53](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolov3.py) |640 | 47.7 | 48.0 | 11.1 |63.7 | 185.3 | [github](https://github.com/Megvii-BaseDetection/YOLOX/releases/download/0.1.1rc0/yolox_darknet.pth)
Legacy models |Model |size |mAPtest
0.5:0.95 | Speed V100
(ms) | Params
(M) |FLOPs
(G)| weights | | ------ |:---: | :---: |:---: |:---: | :---: | :----: | |[YOLOX-s](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_s.py) |640 |39.6 |9.8 |9.0 | 26.8 | [onedrive](https://megvii-my.sharepoint.cn/:u:/g/personal/gezheng_megvii_com/EW62gmO2vnNNs5npxjzunVwB9p307qqygaCkXdTO88BLUg?e=NMTQYw)/[github](https://github.com/Megvii-BaseDetection/storage/releases/download/0.0.1/yolox_s.pth) | |[YOLOX-m](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_m.py) |640 |46.4 |12.3 |25.3 |73.8| [onedrive](https://megvii-my.sharepoint.cn/:u:/g/personal/gezheng_megvii_com/ERMTP7VFqrVBrXKMU7Vl4TcBQs0SUeCT7kvc-JdIbej4tQ?e=1MDo9y)/[github](https://github.com/Megvii-BaseDetection/storage/releases/download/0.0.1/yolox_m.pth) | |[YOLOX-l](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_l.py) |640 |50.0 |14.5 |54.2| 155.6 | [onedrive](https://megvii-my.sharepoint.cn/:u:/g/personal/gezheng_megvii_com/EWA8w_IEOzBKvuueBqfaZh0BeoG5sVzR-XYbOJO4YlOkRw?e=wHWOBE)/[github](https://github.com/Megvii-BaseDetection/storage/releases/download/0.0.1/yolox_l.pth) | |[YOLOX-x](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_x.py) |640 |**51.2** | 17.3 |99.1 |281.9 | [onedrive](https://megvii-my.sharepoint.cn/:u:/g/personal/gezheng_megvii_com/EdgVPHBziOVBtGAXHfeHI5kBza0q9yyueMGdT0wXZfI1rQ?e=tABO5u)/[github](https://github.com/Megvii-BaseDetection/storage/releases/download/0.0.1/yolox_x.pth) | |[YOLOX-Darknet53](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolov3.py) |640 | 47.4 | 11.1 |63.7 | 185.3 | [onedrive](https://megvii-my.sharepoint.cn/:u:/g/personal/gezheng_megvii_com/EZ-MV1r_fMFPkPrNjvbJEMoBLOLAnXH-XKEB77w8LhXL6Q?e=mf6wOc)/[github](https://github.com/Megvii-BaseDetection/storage/releases/download/0.0.1/yolox_darknet53.pth) |
## Light Models. |Model |size |mAPval
0.5:0.95 | Params
(M) |FLOPs
(G)| weights | | ------ |:---: | :---: |:---: |:---: | :---: | |[YOLOX-Nano](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_nano.py) |416 |25.8 | 0.91 |1.08 | [github](https://github.com/Megvii-BaseDetection/YOLOX/releases/download/0.1.1rc0/yolox_nano.pth) | |[YOLOX-Tiny](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_tiny.py) |416 |32.8 | 5.06 |6.45 | [github](https://github.com/Megvii-BaseDetection/YOLOX/releases/download/0.1.1rc0/yolox_tiny.pth) |
Legacy models |Model |size |mAPval
0.5:0.95 | Params
(M) |FLOPs
(G)| weights | | ------ |:---: | :---: |:---: |:---: | :---: | |[YOLOX-Nano](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_nano.py) |416 |25.3 | 0.91 |1.08 | [onedrive](https://megvii-my.sharepoint.cn/:u:/g/personal/gezheng_megvii_com/EdcREey-krhLtdtSnxolxiUBjWMy6EFdiaO9bdOwZ5ygCQ?e=yQpdds)/[github](https://github.com/Megvii-BaseDetection/storage/releases/download/0.0.1/yolox_nano.pth) | |[YOLOX-Tiny](https://github.com/Megvii-BaseDetection/YOLOX/blob/main/exps/default/yolox_tiny.py) |416 |32.8 | 5.06 |6.45 | [onedrive](https://megvii-my.sharepoint.cn/:u:/g/personal/gezheng_megvii_com/EbZuinX5X1dJmNy8nqSRegABWspKw3QpXxuO82YSoFN1oQ?e=Q7V7XE)/[github](https://github.com/Megvii-BaseDetection/storage/releases/download/0.0.1/yolox_tiny_32dot8.pth) |