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MiniMaxOverview

MiniMax H3 Fast AI

MiniMax H3 Fast is an inference-accelerated build of MiniMax H3's open weights: the same text, frame and reference inputs and a synchronized soundtrack, at 480P or 768P, returned many times faster and for a fraction of H3's price. Released October 2026. Try it online in the Studio or call it from code, up to 32% below the official MiniMax H3 API price.

Developer
MiniMax
accelerated build
Released
October 2026
Output
768P
4–15 s
From
$0.0369/s
480P

Try it

Try MiniMax H3 Fast AI now

Runs on your balance at the price on the button; failed runs are refunded. Results are saved to your account.

Open the full-screen Studio

Made with MiniMax H3 Fast

Example prompts

  • A paper boat drifts down a rain-filled gutter at dusk, the patter of rain and a distant tram bell

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  • A street dancer spins on a wet basketball court at night, puddle splashes, low tracking shot, crowd cheering

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  • Close-up of an old fisherman laughing as rain begins, warm harbour lights, he says “Here it comes!”

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What it is

What is MiniMax H3 Fast?

H3, accelerated

H3 Fast runs MiniMax H3's open weights on our own GPU inference for open-source models: low-precision attention and kernels and fewer sampling steps, on GPUs that are already warm. A 6-second clip comes back in well under a minute instead of minutes.

What stays, what changes

Inputs and output shape match H3: text, a first and last frame, or up to 9 reference images, 3 clips and 3 audio tracks, with sound generated alongside the picture. It tops out at 768P (no 2K), and because the sampling is shortened, details can differ from MiniMax's own H3 API — compare them side by side below.

Not a MiniMax release

MiniMax published H3's weights; the acceleration is a third-party build and MiniMax has no price for it. The official model is MiniMax H3 — choose it when you need 2K or MiniMax's own output.

Capabilities

What MiniMax H3 Fast can do

Seconds, not minutes

Returned in the same request

480P / 768P

6 aspect ratios

4–15 seconds

Pay per second

Audio included

Soundtrack generated with the video

Use cases

What people use MiniMax H3 Fast for

Concepts and b-roll
Scenes, establishing shots and storyboards from a written description.
Animating stills
Product shots, characters or artwork brought to life — or a transition between two frames.
Consistent characters and products
Up to 9 reference images keep a face, outfit or product the same across shots.
Matching a motion or a shot
Up to 3 reference videos to follow a camera move, a dance or an edit rhythm.
Music videos and lip-sync
Up to 3 reference audio clips to time the picture to a track or a voice.
Longer single takes
Up to 15 seconds per generation (4–15 s).
Vertical social video
9:16 for TikTok, Reels and Shorts, alongside 16:9 and other ratios.

Versions

MiniMax H3 Fast in the MiniMax family

Every MiniMax model we offer, newest first. MiniMax AI covers the whole family.

MiniMax models
ModelReleasedMax res. · lengthFrom
MiniMax H3 FastOctober 2026768P · 4–15 s$0.0369/s
MiniMax H3 MaxSeptember 2026768P · 5–15 s$0.0396/s
MiniMax H3July 20262K · 5–15 s$0.057/s

How it compares

MiniMax H3 Fast vs similar models

MiniMax H3 Fast vs MiniMax H3

MiniMax H3 Fast

  • More reference inputs: up to 9 images, 3 videos and 3 audio clips.
  • Newer model (released October 15, 2026).

MiniMax H3

  • Higher maximum resolution: 2K vs 768P.

Where to use it

Three ways to use MiniMax H3 Fast

In the Studio

No code: write a prompt, pick the settings, generate. The price is shown before you run.

Through the API

One key and one request shape for every model; poll the generation or get a webhook.

From an AI agent

Our MCP server lets Claude and other agents quote and generate for you.

FAQ

MiniMax H3 Fast AI questions

MiniMax H3 Fast is an inference-accelerated build of MiniMax H3's open weights: the same text, frame and reference inputs and a synchronized soundtrack, at 480P or 768P, returned many times faster and for a fraction of H3's price. It was released in October 2026.

MiniMax H3 Fast is an accelerated build of MiniMax's open weights, served on our own GPU inference; MiniMax develops the original model.

Yes, in the CheaperGen Studio — no code and no subscription needed. A 5-second 480P clip costs $0.19, up to 32% below the official MiniMax H3 API price. Step by step: how to use MiniMax H3 Fast.

4–15 s per generation, at 480P and 768P.

MiniMax H3 Fast: More reference inputs: up to 9 images, 3 videos and 3 audio clips. Newer model (released October 15, 2026). MiniMax H3: Higher maximum resolution: 2K vs 768P. Full comparison: MiniMax H3 Fast vs MiniMax H3.

Yes: one API key, POST /v1/run/{endpoint}, from $0.0369/s. See the MiniMax H3 Fast API page and its documentation.

MiniMax H3 Fast is an accelerated build of MiniMax H3, which is developed by MiniMax; the acceleration is not a MiniMax release. CheaperGen does not own the model. Trademarks belong to their respective owners.