MiniMax H3 RIFE 24 to 72 FPS ComfyUI Workflow
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Article: https://freakyjolly.com/best-minimax-h3-rife-frame-interpolation-comfyui/

What's inside:
  - MiniMax_H3_R2V_RIFE_72fps.json: ComfyUI workflow (UI format). Drag it onto the ComfyUI canvas or use Workflow > Open.

Required models (download each file and put it in the folder shown):
  - minimax_h3_audio_vae_fp32.safetensors
      folder: ComfyUI/models/vae/
      download: https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_audio_vae_fp32.safetensors
  - minimax_h3_ref2v_turbo_4step_v0.1_comfyui_bf16.safetensors
      folder: ComfyUI/models/loras/
      download: https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/loras/minimax_h3_ref2v_turbo_4step_v0.1_comfyui_bf16.safetensors
  - minimax_h3_ref2va_pruned_int8_convrot.safetensors
      folder: ComfyUI/models/diffusion_models/
      download: https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/diffusion_models/minimax_h3_ref2va_pruned_int8_convrot.safetensors
  - minimax_h3_video_vae_int8_convrot.safetensors
      folder: ComfyUI/models/vae/
      download: https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_video_vae_int8_convrot.safetensors
  - qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors
      folder: ComfyUI/models/text_encoders/
      download: https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/text_encoders/qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors
  - rife47.pth
      folder: ComfyUI/custom_nodes/ComfyUI-Frame-Interpolation/ckpts/rife/
      download: auto-downloaded by ComfyUI-Frame-Interpolation on first run

Custom nodes:
  - ComfyUI-Frame-Interpolation (RIFE VFI): https://github.com/Fannovel16/ComfyUI-Frame-Interpolation  (ComfyUI Manager > Install Missing Custom Nodes, or git clone into ComfyUI/custom_nodes/)

How to use:
  1. Install ComfyUI-Frame-Interpolation and restart ComfyUI.
  2. Download the model files into the folders listed (rife47.pth downloads itself on first run).
  3. Drag MiniMax_H3_R2V_RIFE_72fps.json onto the canvas.
  4. Pick your reference image(s), edit the prompt and queue. The graph saves the raw 24 fps clip and the 72 fps RIFE clip with the same audio.

Notes:
  - Every other node is ComfyUI core (MiniMax H3 nodes, Save Video, Create Video).

Model weights are not included. Each model keeps its own licence; check the model page before commercial use.
Workflow shared by FreakyJolly.com.
