Alibaba: Happy Horse 1.1

import time
from openai import OpenAI

client = OpenAI(base_url="https://api.mixen.ai/v1", api_key="mxn-...")
video = client.videos.create(
    model="alibaba/happyhorse-1.1",
    prompt="Кот-космонавт на мотоцикле, ночь",
    seconds="3",
    size="720x720",
    # input_references=[...]  # 2–9 референс-картинок
)
while video.status not in ("completed", "failed"):
    time.sleep(5)
    video = client.videos.retrieve(video.id)
client.videos.download_content(video.id).write_to_file("video.mp4")