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This MiniMax H3 workflow is a general-purpose video redraw and generative upscale pipeline. It accepts an existing video, rebuilds the frames at a larger target size, and keeps the original audio connected to the...
Runtime profile
Source description
This MiniMax H3 workflow is a general-purpose video redraw and generative upscale pipeline. It accepts an existing video, rebuilds the frames at a larger target size, and keeps the original audio connected to the output. It is useful for improving low-resolution clips, restoring AI video details, and giving an older render a cleaner second pass.
The graph uses the Qwen3-VL 32B MiniMax H3 NVFP4 AWQ encoder, MiniMax H3 video and audio VAEs, a four-step FL2VA Turbo LoRA, SageAttention, and the MiniMax H3 native-audio-lock node. The source video can be trimmed before processing. An RTX enlargement stage prepares the target dimensions, after which MiniMax H3 image-to-video conditioning rebuilds the sequence with Euler sampling, a four-step simple schedule, and controlled denoise.
The workflow is packaged as a ready-to-run ComfyUI graph for users who want to compare generative enlargement against conventional video scaling. Keep the original source, prompt, and duration unchanged when comparing versions so that visible differences come from the workflow structure rather than from changed creative inputs.
Sources
1 sourceSource excerpts
1 excerptSource context: 203 downloads · Type Workflows · Base model MiniMax H3
Main features:
General video-to-video redraw for many source formats
Source-video trimming before generation
Native audio lock for preserving the original soundtrack
MiniMax H3 FL2VA four-step Turbo route
Qwen3-VL 32B MiniMax H3 text encoder
RTX enlargement before the generative pass
SageAttention memory-efficient acceleration
Four-step Euler sampling with controlled denoise
Suggested workflow:
Start with a clip shorter than 15 seconds and check that the source audio is clean. Set the output size before writing the refinement prompt. Describe the subject, texture quality, lighting, and camera behavior without changing the underlying action. If the redraw drifts too far from the source, simplify the prompt and lower the amount of new visual information requested.
RunningHub Workflow
Try the workflow online right now - no installation required.
If the results meet your expectations, you can later deploy it locally for customization.
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Watch the workflow demonstration and creative breakdown here:
Bilibili Video: https://www.bilibili.com/video/BV1kZbQ6xEMg/
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打开下方链接即可在线体验,无需安装。
如果觉得效果理想,也可以在本地进行自定义部署。
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我会在夸克网盘持续更新模型资源:
Hardware and download-size estimates are not available yet.
Requirements
minimax_h3_audio_vae_fp32.safetensors
File unverifiedVAE · SAFETENSORS · Unknown
minimax_h3_fl2v_turbo_4step_v1.0_768p_comfyui_bf16.safetensors
Not resolvedLoRA · Unknown
Checkpoint · SAFETENSORS · Unknown
minimax_h3_video_vae_int8_convrot.safetensors
Not resolvedVAE · Unknown
qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors
File unverifiedText encoder · SAFETENSORS · Unknown
comfyui-h3-facerefine
FoundNode pack · Registry
Node pack · Registry
Node pack · Registry
