Vertical images will be output as 1440*2560, horizontal images will be output as 2560*1440, and square images will be output as 1920*1920. I tested it at night (5 seconds for a 12-minute video, 8 seconds for a 24-minute video).
For videos longer than 8 seconds, you can use the PLUS version: https://www.runninghub.cn/ai detail/1935525150756634625