/VIDEO/minimax-h3

Video

MiniMax

Released July 31, 2026

MiniMax H3 API

Text, image and audio reference video generation at 480p, 768p or 1080p. 1–15 seconds (up to 10 at 1080p), up to 9 images and 3 audio references. First 5 images and all audio references are free; extra images are billed separately per request.

Text to video
Image to video

Try model Get API Key Documentation

Starting at

$0.016

per second of output

7 parameters · 4 price options

MiniMax H3 playground

Input

Prompt*

Describe the scene, motion and audio. Refer to supplied images and audio in the prompt.

Image URLs

Reference image URLs (up to 9). The first 5 are free; each additional image is billed separately per request.

Audio URLs

Reference audio URLs (up to 3), free of additional charge.

Runs are charged to your balance.

Output

Output will appear here.

Check the price and run the model. Your result will appear here; browser use does not need an API key.

MiniMax H3 API pricing

Option	Price per second
480p	$0.016
reference_image	$0.02
768p	$0.033
1080p	$0.05

Quick start

Full API reference →

1curl -X POST https://api.api-stock.com/api/v1/generation/create \
2  -H "Authorization: Bearer $API_STOCK_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "model": "minimax-h3",
6    "input": {
7      "prompt": "A cinematic shot of a city at dusk",
8      "aspectRatio": "16:9",
9      "resolution": "480p",
10      "duration": 5
11    }
12  }'

Parameters

Name	Type	Required	Default	Description
`prompt`	string	Yes	—	Describe the scene, motion and audio. Refer to supplied images and audio in the prompt.
`aspectRatio`	string	No	16:9	Video aspect ratioOne of: 16:9, 9:16
`imageUrls`	string[]	No	—	Reference image URLs (up to 9). The first 5 are free; each additional image is billed separately per request.
`audioUrls`	string[]	No	—	Reference audio URLs (up to 3), free of additional charge.
`resolution`	string	No	480p	Output resolution; 1080p supports at most 10 seconds.One of: 480p, 768p, 1080p
`duration`	number	No	5	Output duration in seconds (1–15; at most 10 at 1080p).
`seed`	number	No	—	Random seed

Frequently asked questions

How much does MiniMax H3 cost?

MiniMax H3 starts at $0.016 per second of output on API Stock. The final charge depends on the selected settings.

When was MiniMax H3 released?

MiniMax H3 was released on July 31, 2026 and is available through API Stock.

How do I get an API key for MiniMax H3?

Create an account and API key on API Stock, then fund your balance. The same key works with MiniMax H3 and other catalog models.

How do I call the MiniMax H3 API?

POST to https://api.api-stock.com/api/v1/generation/create with your API key and model "minimax-h3". Use the returned task id for polling or receive a webhook.

What input parameters does MiniMax H3 accept?

MiniMax H3 accepts 7 input parameters, including the required field(s) prompt. See their types, defaults and allowed values above.

What happens if a MiniMax H3 request fails?

API Stock automatically retries the request on a reserve provider. If every provider fails, the charge is refunded to your balance.

Can I use MiniMax H3 with the same API key as other models?

Yes. Use your API Stock API key and balance for MiniMax H3 and other catalog models.