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MiniMax H3

MiniMax H3 is a frontier video model. This endpoint animates a supplied image into 2K video, using it as the opening frame or pairs a first and last frame to control a transition between two images with the aspect ratio following the input.

Input

Fields marked * are required. Review the price before generating.

Text prompt for video generation

The duration of the video in seconds.

The resolution of the generated video. 480P and 768P are native generation modes; 2K and 4K upscale a 768P base result.

Optional URL of the image to use as the first frame. When provided, the output canvas follows this image. If only end_image_url is provided, the canvas follows that last frame instead. If both images are omitted, the request is handled as text-to-video (16:9 by default).

Uploading a file needs an account. Create accountJPEG, PNG, WebP · up to 25 MB

Optional URL of the image to use as the last frame. It may be provided alone for end-only keyframe generation; in that case the output canvas follows this image.

Uploading a file needs an account. Create accountJPEG, PNG, WebP · up to 25 MB

Additional settings

Random seed. A random seed is selected when omitted.

Tips and requirements

How much effort to spend rewriting the prompt before generation. 'disabled' skips prompt expansion. 'fast' returns in about a second. 'balanced' picks per request. 'quality' spends up to ~30s on a richer prompt.

Tips and requirements

Optional URL of an audio clip at least 2 seconds long (maximum 15 MB) to pin to the generated soundtrack. Longer clips are trimmed to the generated video's length, keeping the beginning. The original audio replaces the output soundtrack, padded with silence if shorter than the video, without changing playback speed. Exceptionally high sample rates may be resampled to 96 kHz. Accepts an HTTP(S) URL or a base64 data URI.

Uploading a file needs an account. Create accountMP3, WAV · up to 50 MB

Starting price$0.08 / second

You sign up first. Your settings are kept.

API code for this input

Complete the required fields and fix input errors to see API code.

How to use MiniMax H3

Getting started

Plan the subject’s action, camera movement and sound. Separate image and reference operations work from supplied visuals.

Review your result

Watch for changing identities, disappearing objects and sound that misses the action.

Inputs and settings

Raywake requires prompt and exposes duration from 5–15 seconds, aspect_ratio and resolution. Use the current operation’s fields when requesting a quote.

Image-to-video offers image_url and end_image_url; reference-to-video offers reference_image_urls. Keep these inputs in their corresponding operation.

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