MiniMax H3 Max Image to Video: Animate Your Stills
Last verified: October 29, 2026
MiniMax H3 Max is built for a specific job: taking a still you have already composed, such as a portrait, a packshot or a frame of key art, and turning it into a moving shot quickly enough to try several motion ideas in one sitting. MiniMax optimizes the model for high-speed generation and describes its image-to-video mode as a way to control the starting frame and bring a specific frame naturally to life. In practice, MiniMax H3 Max image-to-video generation sits between an approved image and a finished moving shot. The frame is already decided, so what you direct is the motion.
The form splits the work the same way. The still goes into Image and sets where the shot begins. Prompt carries the action, the camera and the pacing. Video Duration and Resolution set how long the clip runs and how sharp it is. Approve your image before you upload it, then use each run to direct what happens after the first frame.
Explore more image to video
Inputs and Output at a Glance
What goes in and what comes back from each H3 Max run.
Input
Image (JPG, JPEG, PNG or WEBP, up to 10 MB) + a text prompt of up to 7,000 characters
Video Duration
5 to 15 seconds
Resolution
480P, 768P or 1080P
Output
1 video per run
How to Get Better Results From H3 Max
Write the Prompt as a Shot Description
Change One Thing per Run When Refining
How to Animate an Image With MiniMax H3 Max
Five steps from a still image to a downloaded clip.
Upload Your Still in "Image"
Click the "Image" area (the button reads "Click to upload the first frame") and choose the still you want the clip to open on. The help text under the button lists the accepted file types and the size limit. Crop the image to the framing you want in the finished video before uploading, because that file is the composition the shot starts from.
Describe the Shot in the "Prompt" Box
Type into the "Prompt" box what should happen after the first frame: what starts moving, what the camera does and how fast things unfold. The box holds up to 7,000 characters, which leaves plenty of room for one shot. If you only have a rough idea, click "Enhance Prompt" under the box to see fuller versions of it.
Set "Video Duration" and "Resolution"
"Video Duration" runs from 5 to 15 seconds in one-second steps and starts at 5. "Resolution" offers 480P, 768P and 1080P, with 768P selected by default. While you are still testing motion, stay at the shortest duration and 480P or 768P, because a short draft is enough to tell whether the movement works. Switch to 1080P for the take you plan to keep, and only make the clip as long as the action needs, since every extra second needs something happening to fill it.
Start the Run With "Generate"
Check the image, the prompt and both settings once more, then click "Generate". Each run returns one video, so two different motion ideas need two runs, not one prompt that tries to do both.
Review and Download the Result
Watch the whole clip before saving it. Check that it opens on your still, that faces, logos and product edges hold up, and that the camera move matches what you wrote. If it does, download it. If it doesn't, the prompt is usually what to change on the next run.
When to Use H3 Max and When to Choose Another Route
Three decisions to weigh before animating a still with H3 Max.
| Criterion | MiniMax H3 Max | Alternatives | Best For |
|---|---|---|---|
| Control over the opening frame | Your uploaded still is the first frame, so the clip begins with the composition, subject and styling you prepared, and the video takes its shape from that image. | With H3 Max text-to-video, the scene is generated from scratch from a written description, and you pick the aspect ratio from a fixed list instead of taking it from an image. | Start from an image when a specific look, product or character has to be on screen from the first frame, and write a text-to-video prompt when you have an idea but no finished frame yet. |
| Turnaround for testing several takes | MiniMax lists H3 Max as its fast generation variant, which suits running several motion tests from the same still. | MiniMax H3 generates more slowly than H3 Max, according to MiniMax's model documentation. | Choose H3 Max when you expect to try many takes on one frame, because generation speed is what MiniMax optimized it for. Of the two, MiniMax H3 is the slower option. |
| How you run it | Here you upload the still, write the prompt, set two options and click Generate, then download the clip from the same form. | Through MiniMax's API, image-to-video is something you code: each request starts an asynchronous task and returns a task ID that your program checks for the finished video. | Use the form when you make clips by hand and want to judge each take as it arrives. The API suits developers who need generation built into their own pipeline. |
Common MiniMax H3 Max Problems and Fixes
Problems that come up when animating a still, and what to change before the next run.
My image won't upload.
My ultra-wide panorama or very tall banner won't animate.
The action gets cut off before it finishes.
My prompt is too long to fit in the box.
Frequently Asked Questions
Which image files can I upload to MiniMax H3 Max?
The Image field takes one still for the opening frame, in JPG, JPEG, PNG or WEBP format. Files can be up to 10 MB, and the image has to be at least 300×300 pixels. If your still is a HEIC photo from a phone or a GIF, export it to one of the accepted formats first.
Will Enhance Prompt replace what I've written?
No. Enhance Prompt, the button under the prompt box, suggests fuller prompts based on your rough idea, and your text only changes if you pick one of the suggestions. Before you accept one, compare it with your image: keep the parts about motion and camera, and remove any detail that contradicts what the still shows.
What makes one generation cost more than another?
The credit cost of a run is calculated from the options you choose and appears above the Generate button once you are signed in. The two settings that change it are Video Duration and Resolution, so changing either one changes the figure you see before you generate. Enhance Prompt suggestions don't use credits.
Why did my video come out vertical or square instead of widescreen?
In image-to-video, H3 Max takes the aspect ratio from the image you upload, so a portrait photo gives you a portrait clip and a square image gives you a square one. For a widescreen result, crop the still to a wide frame before uploading and run it again. Keep the subject well inside the crop so the motion has room.