MiniMax H3 - ZeroGen Docs

MiniMax makes two video models:

Model	Best for	Resolutions	Duration
MiniMax H3 Max	Up to 1080P, clips from 1 second, a lower-cost Turbo tier	480P, 768P, 1080P	1–15 seconds
MiniMax H3	2K and 4K video	768P, 2K, 4K	5–15 seconds

MiniMax H3 Max has two tiers under Tier: Standard, the default, and Turbo, which costs less and takes prompts and frames only.

What you can give it

A prompt of up to 50,000 characters in Generate, or 20,000 through the API.
Frames: a start frame, and an optional end frame.
References: up to 12, with up to 9 images, 3 MP4 videos and 3 MP3 clips. Video and audio can total up to 15 seconds, and you need at least one image or video. References can’t be combined with frames.

Output settings

Setting	Options
Aspect ratio	21:9, 16:9, 4:3, 1:1, 3:4 or 9:16. References add Auto, and frames follow the image.
Prompt expansion	H3 Max only: how MiniMax expands your prompt before it renders. Balanced, the default, or Quality.
Quantity	1 to 4 videos.

MiniMax H3 models don’t make sound.

Cost

MiniMax H3 is priced per second of video, by resolution. References can add to the price: on MiniMax H3, each reference image after the fifth; on H3 Max, references beyond a small allowance. A 5-second 768P video costs about:

Model	Estimate
MiniMax H3 Max, Standard	About $0.52
MiniMax H3	About $0.39

Prices are as of October 28, 2026, except MiniMax H3 Max’s, which is its price from November 1, 2026.