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MiniMax H3 Open Reference To Video: Multimodal Video Generation on Models and API | RunComfy

minimax/minimax-h3-open/reference-to-video

MiniMax H3 Open Reference To Video turns up to 9 images, 3 videos, and 3 audios plus a prompt into 5-15s 480p/768p clips with native stereo audio.

Describe the scene, motion, camera, and an Audio: line. Name what each reference supplies (identity, style, motion, or voice).
Image 1
Up to 9 reference image URLs guiding subject, product, style, or composition. At least one reference image or video is required.
Up to 3 reference video URLs guiding movement or pacing. Available at 480p output only; their soundtracks are used automatically.
Up to 3 reference audio URLs (each trimmed to 15s). Cannot be provided without an image or video reference.
Output aspect ratio.
Output resolution. 480p is faster/cheaper; 768p is the native canvas. Reference videos require 480p.
Length of the generated video in seconds (5-15).
Fixed seed for reproducible results. Use -1 for a random seed.
Idle
Output video is billed per generated second: $0.06 per second at 480p and $0.11 per second at 768p, plus per-reference charges of $0.03 per reference image, $0.03 per reference audio, and $0.06 per second of reference video (480p). Example: a 10s 480p clip with 2 reference images and a 5s reference video costs $0.96.

Introduction To MiniMax H3 Open Reference To Video

MiniMax's MiniMax H3 Open Reference To Video builds a 480p or 768p clip from a written brief plus the reference media you attach, rendering picture and native stereo audio in one pass.
Trading lookalike casting, style boards, and manual motion matching for references the model reads directly, MiniMax H3 Open Reference To Video helps brand teams, agencies, and previz artists hold a character, product, or camera language steady across shots.
For developers, MiniMax H3 Open Reference To Video on RunComfy can be used both in the browser and via an HTTP API, so you don't need to host or scale the model yourself.
Ideal for: Character Consistency | Product Reveals | Style Matching

MiniMax / MiniMax H3 Open Reference To Video#


This page runs the open-weights reference path in the MiniMax H3 family. Attach the media you want the model to follow, describe the scene, and MiniMax H3 Open Reference To Video returns an MP4 with native stereo audio at 480p or 768p.


The idea is simple: images pin what things look like, videos pin how things move, and audio guides the sound. Refer to each input in your prompt and say what job it does, so the model carries a subject, style, or motion from shot to shot instead of guessing.


Highlights#


  • Reference-guided: MiniMax H3 Open Reference To Video conditions on real media, keeping a face, product, or look recognizable across a sequence.

  • Multimodal inputs: Up to 9 reference images, 3 reference videos, and 3 reference audios. At least one image or video is required; audio cannot be sent alone.

  • Native stereo audio: Picture and sound are generated together in a single pass.

  • Flexible output: 480p or 768p, seven aspect ratios, and any length from 5 to 15 seconds. Reference videos are supported at 480p output.

How to Use#


1) Attach your references — images for identity or style, clips for motion, optional audio for a matched voice or track.


2) Write a timeline prompt with timestamped beats, and name what each reference supplies.


3) Set the camera language explicitly, including when to hold.


4) Add an Audio: line for entrance cues and ambience.


5) Pick aspect ratio, resolution, and duration, then generate and refine one reference or clause at a time.


For the higher-resolution MiniMax H3 reference-to-video tier, see the related MiniMax H3 models on RunComfy.

Related Models

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kling-video-o3/4K/image-to-video

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one-to-all-animation/14b

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seedance-2.5/image-to-video/720p

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happyhorse-1.0/text-to-video

HappyHorse 1.0 with native 1080p output, cinematic motion, and multi-shot consistency.

seedance-2.5/image-to-video/480p

Seedance 2.5 480p: Fast, low-cost still-to-video animation drafts

Frequently Asked Questions

What is MiniMax H3 Open Reference To Video best used for?

MiniMax H3 Open Reference To Video builds a short clip from a prompt plus reference media, so a subject, product, style, or motion stays consistent across shots. It fits character continuity, product reveals, and style matching where the look must follow real references instead of prompt wording alone.

What references does MiniMax H3 Open Reference To Video accept?

MiniMax H3 Open Reference To Video accepts up to 9 reference images, 3 reference videos, and 3 reference audios. At least one reference image or video is required, and audio cannot be provided on its own. Name each reference in the prompt so the model knows what it supplies.

How does MiniMax H3 Open Reference To Video differ from the official MiniMax H3 reference-to-video model?

MiniMax H3 Open Reference To Video is the open-weights path with 480p and 768p output. The official MiniMax H3 reference-to-video model on RunComfy uses a different resolution ladder such as 768p and 2K. Choose the open-weights route for the tiers and pricing shown on this page.

Does MiniMax H3 Open Reference To Video include audio?

Yes. MiniMax H3 Open Reference To Video generates native stereo audio together with the picture in a single pass. A reference video's own soundtrack is used automatically, and you can add standalone reference audios or an Audio: line in the prompt to steer ambience, dialogue, or a matched voice.

How should I write a prompt for MiniMax H3 Open Reference To Video?

Write MiniMax H3 Open Reference To Video prompts as a timeline with timestamped beats, and assign a job to each reference: which supplies identity, which supplies style, and which supplies motion. State the camera language explicitly, including when to hold, and keep readable on-screen text in quotes.

Can developers use MiniMax H3 Open Reference To Video through the RunComfy API?

Yes. Prototype in the RunComfy model UI, then call the same MiniMax H3 Open Reference To Video template through the RunComfy API with identical parameters. Submission returns a task id; poll until it completes and read the output video. Both paths consume usd / credits.

How much does MiniMax H3 Open Reference To Video cost on RunComfy?

MiniMax H3 Open Reference To Video is billed per generated second—$0.06 per second at 480p and $0.11 per second at 768p—plus per-reference charges: $0.03 per reference image, $0.03 per reference audio, and $0.06 per second of reference video. For example, a 10s 480p clip with 2 reference images and a 5s reference video costs 10 × $0.06 + 2 × $0.03 + 5 × $0.06 = $0.96.

What are the limits on resolution, duration, and reference videos in MiniMax H3 Open Reference To Video?

MiniMax H3 Open Reference To Video outputs 480p or 768p at 24 fps, with durations from 5 to 15 seconds and seven aspect ratios. Reference videos are supported at 480p output only and share a 15-second total budget; standalone reference audios are trimmed to 15 seconds each.

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Examples Of MiniMax H3 Open Reference To Video

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