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Generate video continuations and multi-shot scenes by anchoring reference frames at specific points along the output timeline. The workflow combines the Reference to Video node with chained Add Guide nodes: each Add Guide pins a still image (plus optional audio) to a frame index, so the video passes through that exact composition at that moment. MiniMax H3 Multiframe Reference workflow preview

Run on Comfy Cloud

Open in Comfy Cloud

Download Workflow

Download JSON or search “MiniMax H3: Multiframe Reference” in Template Library

Frame Reference 1: h3_frame_ref_1.png

Identity reference and first frame of Shot 1, or use your own images.

Frame Reference 2: h3_frame_ref_2.png

Keyframe anchored at 1.5s (Shot 2), or use your own images.

Frame Reference 3: h3_frame_ref_3.png

Keyframe anchored at 3.0s (Shot 3), or use your own images.

Frame Reference 4: h3_frame_ref_4.png

First frame anchored at 5.0s (Shot 4), or use your own images.

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Model downloads

Diffusion Model: minimax_h3_ref2va_pruned_int8_convrot

Place in ComfyUI/models/diffusion_models/

Text Encoder: qwen3vl_32b_minimax_h3_nvfp4_awq

Place in ComfyUI/models/text_encoders/

VAE: minimax_h3_video_vae_fp16

Place in ComfyUI/models/vae/

VAE: minimax_h3_audio_vae_fp32

Place in ComfyUI/models/vae/

LoRA: minimax_h3_ref2v_turbo_4step_v0.1_comfyui_bf16

Powers the optional Lightning LoRA turbo mode. Place in ComfyUI/models/loras/

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Model storage

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Prompting tips

  1. Reference by tag: <Picture 1> is the image connected to the first ref_images slot, <Picture 2> the second, and so on. In this workflow, <Picture 1> is both the identity lock and the first frame of the video
  2. Timeline anchors vs references: Pictures connected only to Add Guide nodes pin compositions at specific frames but are not visible to the text encoder. Plug them into extra ref_images slots too if the prompt should see them as <Picture N>
  3. Frame index: Each Add Guide takes frame_idx in frames at 24fps; the template computes it from seconds with round(seconds * 24). Negative values count from the end of the video. The index plus the guide length must stay inside the generated duration
  4. Add more keyframes: Copy one guide block (Load Image + Frame Index + Math Expression + Add Guide for MiniMax H3) and keep the positive outputs chained in series into the Basic Guider
  5. Turbo mode (optional): Enable the Lightning LoRA checkbox to use the 4-step turbo LoRA for much faster generation, with slightly lower audio and motion quality

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Prompt writing guide

The template prompt follows the full-reference mode prompt guide: it defines each subject, maps each <Picture N> to a shot’s first frame or keyframe, and cuts between shots at explicit timestamps. Use the same structure when writing your own multi-shot prompts. The guide is summarized in the prompt guide.