MiniMax H3 Video Generator

MiniMax H3 is a general-purpose multimodal video model that turns text, images, video, and audio references into short videos with native stereo sound. Use it in Ottermind to keep the brief, source assets, generated takes, and revision decisions connected.

Skincare UGC

Mango campaign

Perfume short

Skincare story

MiniMax H3 Video Generation at a Glance

Released by MiniMax on July 31, 2026, MiniMax H3 unifies text, image, video, and audio context for video generation and editing. The official system supports 4-15 second output at 24 FPS with 32 kHz stereo audio, while the Hailuo product currently presents 5-15 second creation. H3-Base generates at 768p; the hosted H3-Regenerate-2K stage produces the full 2K workflow. In Ottermind Studio, keep every reference and take attached to the same creative brief.

Key Features of MiniMax H3

Unified Multimodal Context: Combine text with image, video, and audio references, then describe how each asset should guide the result.
Flexible Frame Control: Generate from text alone, one first or last frame, or both endpoint images for a directed transition.
Omni Reference: Use up to nine images, three video clips, and three audio clips within a maximum of twelve files.
Native Stereo Audio: Generate dialogue, ambience, effects, and music together with the picture instead of treating sound as an afterthought.
768p Base and 2K Workflow: Use the open H3-Base checkpoints for 768p generation or the hosted regeneration stage for 2K output.

What MiniMax H3 Does Best

MiniMax H3 is most useful when a shot depends on several kinds of creative evidence at once: a character image, a motion reference, a camera example, a voice, or an existing clip to revise. The strongest workflow gives every reference one clear role, generates a focused shot, and compares the result against the brief in Ottermind Studio.

Reference-rich campaign videos
Combine approved product images, brand composition, movement examples, and audio direction to explore ads and e-commerce scenes without losing the source brief.
Character and performance transfer
Carry appearance from an image, motion from a video, and voice character from audio into a newly directed scene with explicit relationships between inputs.
Targeted video revisions
Change a person, object, setting, lighting cue, dialogue line, or effect while asking the model to preserve everything else that already works.

How MiniMax H3 Compares with Other Video Models

Best for

MiniMax H3: Reference-rich short videos, multimodal editing, native sound, and open-weight experimentation.
Seedance 2.5: Longer multi-shot stories with multimodal references, native audio, and iterative extension.
Kling AI 3.0: Multimodal generation and editing with storyboard control, subject consistency, and high-resolution delivery.

Generation length

MiniMax H3: 4-15 seconds in official system documentation; the Hailuo product currently presents 5-15 seconds.
Seedance 2.5: Up to 30 seconds in one generation, with multiple rounds of extension.
Kling AI 3.0: Up to 15 seconds.

Inputs

MiniMax H3: Text, up to nine images, three video clips, and three audio clips, with twelve files maximum.
Seedance 2.5: Text, images, video, and audio references in a unified creation and editing workflow.
Kling AI 3.0: Text, images, audio, and video across generation, reference, and editing tasks.

Resolution

MiniMax H3: 768p from H3-Base; up to 2K through the hosted H3-Regenerate-2K workflow.
Seedance 2.5: Product output settings vary by the surface and plan used.
Kling AI 3.0: The Kling 3.0 series supports native 4K output on its current product surface.

Native audio

MiniMax H3: 32 kHz stereo output with support for dialogue, sound effects, ambience, and music.
Seedance 2.5: Native stereo audio for dialogue, effects, ambience, and music.
Kling AI 3.0: Native audio with multilingual speech, accents, dialects, and multi-character dialogue.

Access and workflow

MiniMax H3: Hailuo and MiniMax API access, plus open H3-Base FL2VA and Ref2VA checkpoints; Context-IR and 2K regeneration remain hosted.
Seedance 2.5: Available through ByteDance product surfaces; access and settings depend on region and product.
Kling AI 3.0: Available through Kling AI product and API surfaces; model and output options depend on the selected plan.

Spec	MiniMax H3	Seedance 2.5	Kling AI 3.0
Best for	Reference-rich short videos, multimodal editing, native sound, and open-weight experimentation.	Longer multi-shot stories with multimodal references, native audio, and iterative extension.	Multimodal generation and editing with storyboard control, subject consistency, and high-resolution delivery.
Generation length	4-15 seconds in official system documentation; the Hailuo product currently presents 5-15 seconds.	Up to 30 seconds in one generation, with multiple rounds of extension.	Up to 15 seconds.
Inputs	Text, up to nine images, three video clips, and three audio clips, with twelve files maximum.	Text, images, video, and audio references in a unified creation and editing workflow.	Text, images, audio, and video across generation, reference, and editing tasks.
Resolution	768p from H3-Base; up to 2K through the hosted H3-Regenerate-2K workflow.	Product output settings vary by the surface and plan used.	The Kling 3.0 series supports native 4K output on its current product surface.
Native audio	32 kHz stereo output with support for dialogue, sound effects, ambience, and music.	Native stereo audio for dialogue, effects, ambience, and music.	Native audio with multilingual speech, accents, dialects, and multi-character dialogue.
Access and workflow	Hailuo and MiniMax API access, plus open H3-Base FL2VA and Ref2VA checkpoints; Context-IR and 2K regeneration remain hosted.	Available through ByteDance product surfaces; access and settings depend on region and product.	Available through Kling AI product and API surfaces; model and output options depend on the selected plan.

Where MiniMax H3 Stands Out

Strengths creators can use

References work as one context: H3 is built to understand relationships among text, character images, motion clips, camera examples, voices, and sound instead of treating each as a separate tool mode.
Generation and editing share one model: The same multimodal framing supports new shots, first-and-last-frame transitions, reference transfer, and targeted changes to existing video.
Open weights create more deployment choices: The FL2VA and Ref2VA base checkpoints can run through supported local frameworks, while MiniMax also provides hosted Context-IR and 2K regeneration services.

Where creators still need to refine

Exact speech needs an acceptance check: Creator tests report that native dialogue can repeat, drift, or become unclear, so compare every spoken line with the script and replace audio when accuracy is essential.
Fine text and product geometry can drift: Logos, labels, hands, object counts, and exact assembly steps still benefit from compositing, repair, or a stricter post-generation review.
Local deployment is hardware intensive: Open weights do not make the full official pipeline lightweight: model files, host memory, GPU support, and the hosted-only Context-IR and 2K stages all affect practical setup.

Creator Feedback on MiniMax H3

Early creator discussion centers on H3's unusual combination of open weights, mixed-media references, native sound, and strong composition. The recurring production advice is to give each reference one job, keep shots focused, and inspect dialogue, text, hands, object relationships, and continuity before treating a generation as final.

Multimodal reference work is the main draw

Creators are using H3 less like a simple text-to-video box and more like a shot assembly system that combines identity, motion, camera, style, and audio evidence.

Short, controlled shots are more dependable

Focused product scenes, motion graphics, title sequences, and one-action clips receive more consistent feedback than long scenes with strict physics or several simultaneous events.

Open-source users trade convenience for control

Local workflows offer checkpoint access and community optimization, but creators repeatedly discuss memory requirements, inference speed, quantization choices, and setup compatibility.

How to Create with MiniMax H3 in Ottermind

Collect the brief and references

Open Ottermind Studio and keep the shot goal, script, product assets, character images, motion clips, audio references, and delivery settings in one workspace.

Choose H3 and assign each input

Select the available MiniMax H3 model, state the role of every reference, then define the target action, camera behavior, sound, duration, ratio, and resolution.

Generate, compare, and refine

Review reference adherence, motion, dialogue, text, and continuity, keep the strongest take, and revise only the weak parts while preserving the full decision trail in Studio.

MiniMax H3 Questions, Answered

What is MiniMax H3?

MiniMax H3 is a general-purpose multimodal video generation and editing model released by MiniMax on July 31, 2026. It understands text, images, video, and audio together and generates short video with native stereo sound.

Is MiniMax H3 the same as Hailuo 2.3?

No. H3 is a newer, separately named model in MiniMax's video lineage. Hailuo 2.3 remains a distinct earlier model, while Hailuo AI is also the consumer product surface where MiniMax H3 can be used.

What can I use as input for MiniMax H3 video?

H3 supports text-only generation, first- or last-frame guidance, first-and-last-frame generation, and an omni-reference mode. Official documentation lists up to nine images, three video clips, and three audio clips, with a maximum of twelve files in mixed input. Audio cannot be the only reference input.

How long are MiniMax H3 videos?

MiniMax's system documentation lists 4-15 second output at 24 FPS. The current Hailuo product page presents a 5-15 second range, so the exact selectable duration depends on the access surface and workflow.

Does MiniMax H3 generate audio?

Yes. H3 jointly generates video and 32 kHz stereo audio, including dialogue, effects, ambience, and music. Native audio still needs a final listening and script-accuracy review before publication.

Can MiniMax H3 generate 2K video?

Yes, through the official full workflow. H3-Base produces 768p output, and the hosted H3-Regenerate-2K module uses the base result plus the original context to create the 2K version. Hailuo product settings may present the resolution differently.

Is MiniMax H3 open source?

MiniMax released the H3-Base FL2VA and Ref2VA weights under the MiniMax H3 Community License on August 3, 2026. The hosted H3-Context-IR preprocessing system and H3-Regenerate-2K module are not included in the initial open-weight release.

How does MiniMax H3 work in Ottermind?

Use Ottermind as the connected workspace around the available H3 generation surface: organize prompts and source files, generate comparable takes, review output against the brief, and keep revisions and selected results together for the next shot.

Create Your Next MiniMax H3 Video in Ottermind

Bring the brief, references, prompts, generated takes, and revision decisions into one connected creative workflow.