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工作流 / 视频 / Pika H3 Flex: First and Last Frame to Video
Pika H3 Flex: First and Last Frame to Video

Pika H3 Flex: First and Last Frame to Video

Pika H3 Flex: FL2VA

使用 Pika H3 Flex 在两个静帧之间制作动画：第一张图像开启镜头，第二张图像结束镜头，而提示词描述两者之间的路径。这两个帧被锁定在片段的开头和结尾，适配器以强度 1.0 运行在 int8 MiniMax H3 FL2VA 基础模型上，使用 lcm 采样器和 Pika 的六步 sigma 列表，输出尺寸取自首帧并自动对齐到 32 的倍数，因此竖屏源保持竖屏。

视频 6 个节点 2 个输入 769 次使用 ComfyUI ≥ 0.44.0 ComfyUI 64 KB

下载工作流 JSON 查看官方来源

下载后把文件拖进 ComfyUI 窗口即可打开。

需要的权重

这个工作流引用了 5 个权重文件，其中 5 个能在本站模型库里找到。

minimax_h3_audio_vae_fp32.safetensors 在模型库查看
minimax_h3_fl2va_pruned_int8_convrot.safetensors 在模型库查看
minimax_h3_video_vae_int8_convrot.safetensors 在模型库查看
pika_h3_flex_fl2va_v1_bf16.safetensors 在模型库查看
qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors 在模型库查看

节点构成

LoadImage × 2
SaveVideo × 1
MarkdownNote × 1
79dd8a95-ce9d-4c14-b264-2162e8bec5ce × 1
GetImageSize × 1

官方标注的模型

MiniMax H3

工作流 JSON

和上面「下载工作流 JSON」是同一份文件。

1{
2 "id": "pika-h3-flex-fl2va",
3 "revision": 0,
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35 "properties": {
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63 "flags": [],
64 "order": 0,
65 "mode": 0,
66 "inputs": [],
67 "outputs": [],
68 "title": "Note: Model Links",
69 "properties": [],
70 "widgets_values": [
71 "Guide: [Subgraph](https://docs.comfy.org/interface/features/subgraph)\n\n- GitHub: https://github.com/Pika-Labs/Pika-H3-Flex\n- Hugging Face: https://huggingface.co/Pika-Labs/Pika-H3-Flex\n\n## Input Assets\n\n- [lastP_spin_jump_hole.png](https://raw.githubusercontent.com/Comfy-Org/workflow_templates/refs/heads/main/input/lastP_spin_jump_hole.png)\n- [ref_popart_woman.png](https://raw.githubusercontent.com/Comfy-Org/workflow_templates/refs/heads/main/input/ref_popart_woman.png)\n\n## Model Links\n\n- [Hugging Face:Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3)\n\n**ModelScope mirrors** (alternative repo location)\n\n- [ModelScope:Comfy-Org/MiniMax-H3](https://modelscope.cn/models/Comfy-Org/MiniMax-H3)\n\n**vae**\n\n- [minimax_h3_video_vae_int8_convrot.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_video_vae_int8_convrot.safetensors) (2.62 GB)\n- [minimax_h3_audio_vae_fp32.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_audio_vae_fp32.safetensors) (577.2 MB)\n\n**diffusion_models**\n\n- [minimax_h3_fl2va_pruned_int8_convrot.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/diffusion_models/minimax_h3_fl2va_pruned_int8_convrot.safetensors) (19.53 GB)\n\n**text_encoders**\n\n- [qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/text_encoders/qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors) (14.61 GB)\n\n**loras**\n\n- [pika_h3_flex_fl2va_v1_bf16.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/loras/pika_h3_flex_fl2va_v1_bf16.safetensors)\n\n## Model Storage Location\n\n```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 vae/\n│ │ ├── minimax_h3_video_vae_int8_convrot.safetensors\n│ │ └── minimax_h3_audio_vae_fp32.safetensors\n│ ├── 📂 diffusion_models/\n│ │ └── minimax_h3_fl2va_pruned_int8_convrot.safetensors\n│ ├── 📂 text_encoders/\n│ │ └── qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors\n│ └── 📂 loras/\n│ └── pika_h3_flex_fl2va_v1_bf16.safetensors\n```\n\n## Report Issue\n\nNote: Please update ComfyUI first ([guide](https://docs.comfy.org/installation/update_comfyui)) and prepare required models. Desktop/Cloud updates follow stable releases, so some nightly-supported models may not be available yet.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/comfyanonymous/ComfyUI/issues)\n- UI / frontend issues: [ComfyUI_frontend/issues](https://github.com/Comfy-Org/ComfyUI_frontend/issues)\n- Workflow issues: [workflow_templates/issues](https://github.com/Comfy-Org/workflow_templates/issues)\n"
72 ],
73 "widgets_values_named": {
74 "text": "Guide: [Subgraph](https://docs.comfy.org/interface/features/subgraph)\n\n- GitHub: https://github.com/Pika-Labs/Pika-H3-Flex\n- Hugging Face: https://huggingface.co/Pika-Labs/Pika-H3-Flex\n\n## Input Assets\n\n- [lastP_spin_jump_hole.png](https://raw.githubusercontent.com/Comfy-Org/workflow_templates/refs/heads/main/input/lastP_spin_jump_hole.png)\n- [ref_popart_woman.png](https://raw.githubusercontent.com/Comfy-Org/workflow_templates/refs/heads/main/input/ref_popart_woman.png)\n\n## Model Links\n\n- [Hugging Face:Comfy-Org/MiniMax-H3](https://huggingface.co/Comfy-Org/MiniMax-H3)\n\n**ModelScope mirrors** (alternative repo location)\n\n- [ModelScope:Comfy-Org/MiniMax-H3](https://modelscope.cn/models/Comfy-Org/MiniMax-H3)\n\n**vae**\n\n- [minimax_h3_video_vae_int8_convrot.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_video_vae_int8_convrot.safetensors) (2.62 GB)\n- [minimax_h3_audio_vae_fp32.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/vae/minimax_h3_audio_vae_fp32.safetensors) (577.2 MB)\n\n**diffusion_models**\n\n- [minimax_h3_fl2va_pruned_int8_convrot.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/diffusion_models/minimax_h3_fl2va_pruned_int8_convrot.safetensors) (19.53 GB)\n\n**text_encoders**\n\n- [qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/text_encoders/qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors) (14.61 GB)\n\n**loras**\n\n- [pika_h3_flex_fl2va_v1_bf16.safetensors](https://huggingface.co/Comfy-Org/MiniMax-H3/resolve/main/loras/pika_h3_flex_fl2va_v1_bf16.safetensors)\n\n## Model Storage Location\n\n```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 vae/\n│ │ ├── minimax_h3_video_vae_int8_convrot.safetensors\n│ │ └── minimax_h3_audio_vae_fp32.safetensors\n│ ├── 📂 diffusion_models/\n│ │ └── minimax_h3_fl2va_pruned_int8_convrot.safetensors\n│ ├── 📂 text_encoders/\n│ │ └── qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors\n│ └── 📂 loras/\n│ └── pika_h3_flex_fl2va_v1_bf16.safetensors\n```\n\n## Report Issue\n\nNote: Please update ComfyUI first ([guide](https://docs.comfy.org/installation/update_comfyui)) and prepare required models. Desktop/Cloud updates follow stable releases, so some nightly-supported models may not be available yet.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/comfyanonymous/ComfyUI/issues)\n- UI / frontend issues: [ComfyUI_frontend/issues](https://github.com/Comfy-Org/ComfyUI_frontend/issues)\n- Workflow issues: [workflow_templates/issues](https://github.com/Comfy-Org/workflow_templates/issues)\n"
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