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@stepupgaming/comfy-workflow-h3-latent-refine

v0.1.1

Published

3D latent upscale then a short H3 refine sample. Gemmy `video h3 upscale --backend latent`.

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Links

Git

Maintainers

stepupgamingstepupgaming

Keywords

comfy-workflowcomfyuicomfy-workflows

Readme

H3 Latent Upscale + Refine

3D latent upscale then a short H3 refine sample. Gemmy video h3 upscale --backend latent.

Unofficial project. Not affiliated with or endorsed by Comfy Org.

Purpose

Enlarge a persisted H3 AV latent and refine at the new size.

AUTHORING SOURCE: ir.build.ts. GENERATED: workflow.ir.json, comfy.workflow.json, prompt.template.json — do not hand-edit. Rebuild with pnpm comfy:build from comfy-workflows/. Gemmy runtime binds prompt.template.json (Python, no Node).

Install

pnpm add @stepupgaming/comfy-workflow-h3-latent-refine

Required parameters

  • prompt
  • context_latent

Optional parameters

  • unet (default "minimax_h3_fl2va_pruned_int8_convrot.safetensors")
  • clip (default "qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors")
  • video_vae (default "minimax_h3_video_vae_fp16.safetensors")
  • audio_vae (default "minimax_h3_audio_vae_fp32.safetensors")
  • width (default 1280)
  • height (default 720)
  • length (default 124)
  • upscale_model (default "minimax_h3_latent_upscaler_3d_fp16.safetensors")
  • seed (default 42)
  • shift_video (default 12)
  • shift_audio (default 3)
  • latent_prefix (default "h3/latent_refine_av")
  • output_prefix (default "h3/latent_refine")
  • fingerprint (default "{}")

Custom node packs

  • gemmy-h3-context
  • Comfyui_Minimax_h3_latent_Upscaler

Node classes

  • BasicGuider
  • CLIPLoader
  • ConditioningZeroOut
  • CreateVideo
  • GemmyH3JoinAV
  • GemmyH3LoadAVLatent
  • GemmyH3SaveAVLatent
  • GemmyH3SplitAV
  • KSamplerSelect
  • ManualSigmas
  • MiniMaxH3ImageToVideo
  • MiniMaxH3SigmaShift
  • MinimaxH3LatentUpscaler3D
  • RandomNoise
  • SamplerCustomAdvanced
  • SaveVideo
  • UNETLoader
  • VAEDecode
  • VAEDecodeAudio
  • VAELoader

Models

  • model: minimax_h3_fl2va_pruned_int8_convrot.safetensors
  • model: qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors
  • model: minimax_h3_video_vae_fp16.safetensors
  • model: minimax_h3_audio_vae_fp32.safetensors
  • model: minimax_h3_latent_upscaler_3d_fp16.safetensors

Do not publish model binaries. Filenames are defaults from Gemmy's H3/Krea layout; they are not universally available.

Inspect & run

cwf inspect @stepupgaming/comfy-workflow-h3-latent-refine --url http://127.0.0.1:8188
cwf run @stepupgaming/comfy-workflow-h3-latent-refine --url http://127.0.0.1:8188 --param prompt=...

License

MIT for this package's Graph IR / scaffolding, owned by Gemmy. Models and third-party custom nodes remain under their own licenses.

Never hand-edit generated workflow JSON.