{"id":"alibaba/happy-horse-video-edit","object":"model","type":"model","name":"HappyHorse Video Edit","creator":"Alibaba","modality":"video","tasks":["video-to-video"],"description":"Edits a video of up to 15 seconds from a prompt and up to four reference images, keeping its motion. Keep the original sound, or let the model decide whether to make new sound. Billed by the length of the video.","revision":"2026-10-09","version":null,"latest":true,"status":"stable","deprecation":null,"added":"2026-10-05","pricing":{"unit":"second","usd":"0.68","overrides":[{"when":{"resolution":"720p"},"usd":"0.36"}],"drivers":["video","resolution"],"length_of":["video"]},"input_schema":{"type":"object","additionalProperties":false,"required":["video","prompt"],"properties":{"video":{"type":"string","title":"Video","pattern":"^file_[0-9A-Za-z]{24}$","x-leap-ui":{"group":"main","order":3,"widget":"video","help":"The video to work on: an uploaded file, by ID. From 3 to 14 seconds."}},"prompt":{"type":"string","title":"Prompt","minLength":1,"maxLength":2500,"pattern":"\\S","x-leap-ui":{"group":"main","order":0,"widget":"textarea"}},"images":{"type":"array","title":"Images","minItems":1,"maxItems":4,"items":{"type":"string","pattern":"^file_[0-9A-Za-z]{24}$"},"x-leap-ui":{"group":"main","order":5,"widget":"image","help":"Uploaded files to edit or combine, by ID."}},"resolution":{"type":"string","title":"Resolution","enum":["720p","1080p"],"default":"1080p","x-leap-ui":{"group":"main","order":14,"widget":"segmented"}},"seed":{"type":"integer","title":"Seed","minimum":0,"maximum":4294967295,"x-leap-ui":{"group":"advanced","order":50,"widget":"seed","help":"The same seed and input give the same image."}},"settings":{"type":"object","title":"Model settings","additionalProperties":false,"default":{},"properties":{"audio_setting":{"type":"string","title":"Audio Setting","oneOf":[{"const":"auto","title":"Auto"},{"const":"origin","title":"Origin"}],"x-leap-ui":{"group":"advanced","order":30,"widget":"select","help":"Audio handling."},"default":"auto"}}}}}}