How do I select H3 Max?
Submit a request to POST /minimax/videos, explicitly set model=MiniMax-H3-Max, and provide non-empty text in content.
What resolutions and durations are supported?
480P, 768P, and integer durations of 5–15 seconds are supported; this model does not support 2K.
How do I provide reference materials?
Use the content items and role values defined in the documentation to indicate the first frame, last frame, or reference purpose, and comply with the quantity and combination limits for each type of material.
How are reference materials billed?
Audio input is not charged extra, and the first two images are free; additional images and reference videos are billed based on their corresponding input usage, while output video costs are calculated according to the current rules.
How do I retrieve the completed video?
An asynchronous request first returns task_id. Query the same task, and retrieve task.content.url after confirming task.status=succeeded; read the task error information if it fails.