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# MiniMax H3 Highspeed

> Fast 4 to 15 second 768p clips with native stereo audio, from text, a first and last frame, or image, video, and audio references in one request.

![MiniMax H3 Highspeed](https://media.empiriolabs.ai/model-logos/minimax.png)

[MiniMax](/providers/minimax) · Video Generation

`POST /v1/videos/generations`

Fast 4 to 15 second 768p clips with native stereo audio, from text, a first and last frame, or image, video, and audio references in one request.

## At a glance

| Field               | Value                                                             |
| ------------------- | ----------------------------------------------------------------- |
| Model id            | `minimax-h3-highspeed`                                            |
| Model release date  | -                                                                 |
| Input modalities    | Text, Image, Video, Audio                                         |
| Output modalities   | Video                                                             |
| Context window      | -                                                                 |
| Weight precision    | -                                                                 |
| Features            | video_generation, image_to_video, audio_out, audio_in, multimodal |
| Native inference    | No                                                                |
| New                 | Yes                                                               |
| Supported endpoints | `POST /v1/videos/generations`                                     |
| Alternate model ids | `minimax/minimax-h3-highspeed`, `minimax/h3-highspeed`            |

## Pricing

| Charge                | Spec                              | Rate   |
| --------------------- | --------------------------------- | ------ |
| 768p                  | per second                        | \$0.06 |
| Reference image input | per input image after the first 5 | \$0.03 |

## Example request

```bash
curl https://api.empiriolabs.ai/v1/videos/generations \
  -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"model": "minimax-h3-highspeed", "prompt": "sunrise over the ocean", "duration": 6}'
```

## Parameters

| Parameter      | Type   | Required | Default      | Description                                                                                                                                                                                                                                              |
| -------------- | ------ | -------- | ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `prompt`       | string | yes      | -            | Scene description, up to 7000 characters. Can describe action, camera work, dialogue, sound effects, and on-screen text.                                                                                                                                 |
| `mode`         | enum   | no       | `"auto"`     | auto: detect from the inputs. t2v: text-to-video. i2v: animate one image as the opening frame. flf: transition from a first frame to a last frame. r2v: reference-to-video from images, videos, and audio. · Allowed: `auto`, `t2v`, `i2v`, `flf`, `r2v` |
| `resolution`   | enum   | no       | `"768p"`     | Output resolution. · Allowed: `768p`                                                                                                                                                                                                                     |
| `aspect_ratio` | enum   | no       | `"adaptive"` | Output aspect ratio. Adaptive follows the supplied input media. · Allowed: `adaptive`, `21:9`, `16:9`, `4:3`, `1:1`, `3:4`, `9:16`                                                                                                                       |
| `duration`     | number | no       | `6`          | Clip length in seconds, whole numbers only. · Range: 4 – 15                                                                                                                                                                                              |
| `image`        | string | no       | -            | Image URL. One opening frame for image-to-video, or up to 9 reference images for reference-to-video.                                                                                                                                                     |
| `last_frame`   | string | no       | -            | Closing frame image URL. Supplying it selects first and last frame mode.                                                                                                                                                                                 |
| `video`        | string | no       | -            | Reference video URL, up to 3 clips of 2 to 15 seconds each.                                                                                                                                                                                              |
| `audio`        | string | no       | -            | Reference audio URL, up to 3 clips of 2 to 15 seconds each. Requires an accompanying reference image or video.                                                                                                                                           |

## Notes

Generates 4 to 15 second clips at 24 fps in 768p, each with a native stereo audio track.

**Modes**

* Text to video: prompt only.
* Image to video: one image becomes the opening frame.
* First and last frame: supply an opening and a closing image.
* Reference to video: up to 9 images, 3 videos and 3 audio clips, 12 reference files in total.

**Reference media**

* Images 256 to 5760 px per side, aspect ratio between 0.4 and 2.5, up to 30 MB each.
* Videos 2 to 15 seconds, H.264 or H.265, up to 50 MB each.
* Audio 2 to 15 seconds, WAV or MP3, up to 15 MB each. Reference audio requires an accompanying image or video reference.
* Reference video and audio apply to reference-to-video only.
* Prompts can be up to 7000 characters and may describe dialogue, sound effects, on-screen text, and camera work.

**Billing**

* Billed per second of the generated clip.
* Reference videos and reference audio are not billed.
* The first 5 reference images are included. Each additional reference image is charged separately.

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*Machine-readable schema:* `GET https://api.empiriolabs.ai/v1/models/minimax-h3-highspeed`.