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MiniMax H3 prompt
Learn to build a MiniMax H3 prompt that directs shots, camera framing, and stereo audio for 2K video — clear steps, real examples, no guesswork.
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MiniMax H3
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What a Well-Built MiniMax H3 Prompt Unlocks
MiniMax H3 is an open-weight multimodal video model, and this guide shows how to brief it well. A single request can run up to 7,000 characters and return a 5-15 second 2K clip at 24fps with stereo audio baked in. Tag every reference asset, lay the action out in timed blocks, specify camera and sound, and hold a character's look steady from the first frame to the last.
- Tag Every Reference by JobName what each image, clip, or audio file contributes — mood, talent, product, style, or voice — and the model stops guessing which asset matters where.
- Timed Blocks Instead of SlideshowsSplit a multi-part scene into [0-2s] and [2-4s] windows inside one request, so pacing reads as a story rather than a sequence of stills.
- Sound Planned with the Same CareSpecify instrumentation, foley, voice cloning, and when each line lands — audio deserves the same detail as picture in your prompt.
Five Steps to a Working MiniMax H3 Prompt
Five steps take you from a rough idea to a working prompt that renders 2K video with audio in sync.
Techniques That Sharpen a MiniMax H3 Prompt
Eight habits worth building into any prompt for MiniMax H3 — tagging references, splitting scenes into timed blocks, directing sound, ruling elements out, locking identity, constraining edits, using cinematography vocabulary, and writing transitions as physical actions.
Directions That Rule Things Out
State what you don't want — 'No soft dissolves', 'no garbled characters', 'no jump scares' — and the model steers away from those outcomes.
Consistency Across Every Cut
List the details that define a character or product — hair, wardrobe, props, typography — so they read the same in every shot.
Targeted Edits with Guardrails
When changing one element, say what must stay untouched, so the model adjusts a single area instead of rebuilding the whole frame.
Speak in Cinematography Terms
Reach for shot scale, lens behaviour, exposure, and film texture — handheld shake, rack focus, wide-angle distortion, grain — right inside the prompt.
Transitions Written as Movement
Describe cuts as things that happen — whip pans, motion blur, optical smear, exposure flicker — which lands more reliably than naming an effect.
Room for the Whole Plan
A 7,000-character budget fits the entire scene, every timed block, the sound map, and your constraints into a single request.
MiniMax H3 Prompt: Questions Answered
The questions people ask most when writing prompts for the MiniMax H3 video model, answered in plain terms.
What does the MiniMax H3 prompt guide cover?
It collects the practices that work best with MiniMax's open-weight multimodal video model — how to tag references, structure timed blocks, direct audio, exclude unwanted results, hold identity steady, and use cinematic vocabulary for 2K output with stereo sound.
How many characters fit in one prompt?
Up to 7,000 — enough room for a full shot list, segment timings, camera notes, sound design, and constraints inside a single request.
What happens when I use several reference files?
Give each one a stated purpose — 'Image 1 sets mood, Image 2 carries talent, Audio 1 supplies voice'. One request supports as many as 9 images, 3 video clips, and 3 audio files.
Do I need to write the audio too?
Yes. Treat sound as a scene in its own right — instrumentation, when it enters, foley detail, and dialogue timing — so the generated audio tracks the edit instead of fighting it.
How can I stop characters changing between shots?
Spell out the defining traits — hair, wardrobe, props, surroundings — and repeat them in each timed block so the look survives every cut.
What weakens a prompt?
Loose pacing and undefined style. Replace slideshow-style sequences with timed blocks, and add negative directions to rule out the elements you don't want.
Write Your First MiniMax H3 Prompt Today
Turn an idea into 2K video with native stereo audio. One MiniMax H3 prompt can hold the reference plan, the shot timings, the camera language, and the sound cues together.
