万相2.1-VACE-Plus，视频编辑统一模型。支持局部编辑、视频重绘、背景扩展、时长延展、图片参考等多种视频编辑与生成任务，支持文本、图像、视频等多模态条件控制。
curl https://api.yourplatform.com/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "undefined",
"messages": [
{"role": "user", "content": "Hello!"}
],
"stream": true
}'