The Sora2 character creation feature allows you to extract characters from existing videos. Once created, you can reuse the character in subsequent video generations to maintain character consistency.
Important:
Video must contain audio and identifiable characters
Time range limit: minimum 1 second, maximum 3 seconds
Either url or from_task is required - must provide one
prompt parameter is not required in this mode
After creation, the character task ID can be used for subsequent video generation
Task ID of a previously generated videoCreate character from an existing video generation taskNote: Either url or from_task requiredExample: "task_01KBYT59JDHB4A3KDDR9N9JVWP"
Unique task identifier for querying character creation statusAfter completion, this character task ID can be used in video generation via the character_url parameter