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    MINIMAX H3 TURBO LoRA ⚡ - MINIMAX H3 TURBO V4.5 ALT
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    ⚡ MINIMAX H3 TURBO LoRA

    4-STEP AUDIO + VIDEO ACCELERATION

    EXTREME SPEED // NATIVE AUDIO // COMFYUI READY

    MiniMax H3 Turbo LoRA is an experimental acceleration adapter designed to drastically reduce MiniMax H3 video generation time while preserving its native synchronized stereo audio capabilities.

    It reduces sampling from the usual higher step count down to only 4 steps, providing extremely fast previews and significantly shorter generation times.

    The LoRA supports both:

    OFFICIAL EKKIVOK WORKFLOW :

    https://civarchive.com/models/2838258/minimax-h3-4-steps-turbo-video-aio-workflow

    TEXT TO VIDEO
    IMAGE TO VIDEO
    FIRST / LAST FRAME VIDEO

    ⚠️ EARLY EXPERIMENTAL RELEASE

    This LoRA is currently an experimental and under-trained prototype.

    The 4-step mode provides impressive speed, but it may produce:

    • Softer image quality

    • Reduced fine details

    • Unstable textures

    • Motion ghosting

    • Motion trails

    • Lower overall quality compared with the full MiniMax H3 model

    For improved visual quality, using 6 to 8 steps may produce cleaner results while still remaining much faster than standard generation.


    🚀 RECOMMENDED SETTINGS

    LoRA Strength : 1.0
    Steps         : 6–8 recommended
    Fast Preview  : 4 steps
    Scheduler     : simple
    CFG           : 1.0 or workflow default
    Frame Rate    : 24 FPS
    Resolution    : multiples of 32
    Short Edge    : approximately 768 px
    minimax_h3_turbo_4step_ckpt500.safetensors

    The non-EMA ckpt500 version is currently the recommended checkpoint.

    The EMA version may produce softer results and can be more prone to ghosting or visible motion trails.


    🔊 NATIVE SYNCHRONIZED AUDIO

    MiniMax H3 generates video and audio together:

    VIDEO STREAM
    +
    32 kHz STEREO AUDIO

    The audio is generated natively and synchronized directly with the video.

    A dedicated Turbo sampler is required because MiniMax H3 uses different sampling trajectories for video and audio:

    Video Flow Shift : 12
    Audio Flow Shift : 3

    Using a standard ComfyUI sampler at only 4 steps may incorrectly sample the audio component, resulting in distorted, saturated, or unusable sound.


    🧩 REQUIRED COMFYUI CUSTOM NODE

    Install the following custom node through ComfyUI Manager:

    ComfyUI-MiniMax-H3-Turbo

    Official repository:

    https://github.com/Larryvrh/ComfyUI-MiniMax-H3-Turbo

    The node pack includes:

    MiniMax-H3 Turbo LoRA
    MiniMax-H3 Turbo Sampler

    The custom node also supports pruned MiniMax H3 checkpoints by automatically applying the required AdaLN LoRA layers during generation.


    🧠 BASE MODEL COMPATIBILITY

    The Turbo LoRA is compatible with several MiniMax H3 model formats:

    BF16
    INT8 ConvRot
    Pruned INT8
    Pruned FP8

    The dedicated Turbo node automatically detects the model structure and applies the LoRA appropriately.


    📂 INSTALLATION

    Place the LoRA file inside:

    ComfyUI/models/loras/

    Recommended workflow structure:

    Load Diffusion Model
            ↓
    MiniMax-H3 Turbo LoRA
            ↓
    MiniMax-H3 Turbo Sampler
            ↓
    Video and Audio Output

    Recommended sampling configuration:

    Scheduler : simple
    Steps     : 4–8

    Do not use a standard sampler for the 4-step audio workflow.


    👤 ORIGINAL CREATOR

    Larryvrh

    This LoRA was originally created and trained by Larryvrh.

    Original Hugging Face repository

    https://huggingface.co/larryvrh/MiniMax-H3-Turbo-Lora

    Official ComfyUI custom node

    https://github.com/Larryvrh/ComfyUI-MiniMax-H3-Turbo

    All credit for the LoRA training, development, research, and dedicated Turbo sampler belongs to Larryvrh.


    📤 CIVITAI UPLOAD INFORMATION

    Original Creator : Larryvrh
    Civitai Uploader : EKKIVOK

    This Civitai page is a community re-upload intended to make the model easier to discover, download, and use with ComfyUI.

    I am not the original creator of this LoRA.

    Please support and follow the original creator through the official repositories linked above.


    ⚡ SPEED AND QUALITY GUIDE

    4 STEPS = MAXIMUM SPEED / PREVIEW QUALITY
    6 STEPS = BALANCED TURBO MODE
    8 STEPS = BEST CURRENT TURBO QUALITY

    The Turbo LoRA is especially useful for:

    • Rapid prompt testing

    • Motion previews

    • Seed comparison

    • Fast workflow testing

    • Video drafts

    • Quickly testing image-to-video inputs

    • Reducing MiniMax H3 sampling time

    For maximum final quality, the standard MiniMax H3 model without the Turbo LoRA and with a higher step count may still produce better results.


    CREATED BY LARRYVRH
    UPLOADED TO CIVITAI BY EKKIVOK
    MINIMAX H3 // TURBO MODE // FUTURE IN MOTION

    Description

    ⚡ MiniMax H3 Turbo — 4 Step EMA CKPT850

    🏎️ Extreme speed mode for MiniMax H3

    This version is made for users who want to push MiniMax H3 toward very low-step generation and much faster iteration.

    The 4 Step EMA CKPT850 LoRA is more aggressive than the newer V4 version and focuses heavily on speed.

    It is especially useful for quick testing, preview renders and experimenting with prompts before launching a heavier final generation.

    🎯 What can you expect?

    This LoRA can produce usable MiniMax H3 results with:

    ⚡ 4–6 steps

    It is especially useful for:

    ✅ Fast previews
    ✅ Prompt testing
    ✅ Seed searching
    ✅ Camera testing
    ✅ Motion concept testing
    ✅ Workflow experimentation
    ✅ Quickly checking whether an idea works

    At 4 steps, generation can be extremely fast compared to standard H3.

    At 6 steps, results generally become noticeably more stable.

    ⚙️ Recommended settings

    LoRA Strength: 1.0
    Steps: 4–6
    Scheduler: Simple
    Base Model: Compatible MiniMax H3 model

    💡 For simple or slow-moving scenes, 4 steps can work surprisingly well.

    💡 For more demanding motion, try 6 steps.

    ⚠️ Known limitations

    Because this version is more aggressive, quality compromises can be more visible.

    Possible issues include:

    ⚠️ Plastic-looking skin
    ⚠️ Over-sharpened details
    ⚠️ Extra grain or noise
    ⚠️ Motion ghosting
    ⚠️ Motion smear during fast action
    ⚠️ Less stable hands and fingers
    ⚠️ Reduced detail during complex movement
    ⚠️ Lower consistency with multiple characters
    ⚠️ Possible audio degradation
    ⚠️ Less stable synchronization in demanding scenes

    Very fast movement, fighting scenes, dancing, running or complex physical interaction may expose these limitations more clearly.

    💡 Best use case

    Think of this version as:

    🚀 Fast preview mode
    🚀 Prompt testing mode
    🚀 Seed hunting mode
    🚀 Quick experimental H3 mode

    Then, once you find a good prompt or seed, you can rerender using more steps or switch to V4 Step600 for better refinement.

    🆚 Quick comparison

    VersionSpeedQualityBest use⚡ 4 Step EMA CKPT850🚀🚀🚀🚀🚀⭐⭐⭐Preview / testing🔥 V4 Step600🚀🚀🚀🚀⭐⭐⭐⭐General use / final renders🎬 Standard H3🚀🚀⭐⭐⭐⭐⭐Maximum quality

    👤 Credits

    Original creator: Larryvrh
    Uploaded by: EKKIVOK

    ❤️ Huge thanks to the original creator for making MiniMax H3 Turbo generation possible.

    💙 Recommendation:
    Use CKPT850 for speed and experimentation, and V4 Step600 for the best overall balance between quality and generation time.

    FAQ