SOTAI

(For SOTAI Squad) Stop Paying for AI Avatars! Build Your Own with LongCat Avatar (ComfyUI Workflow) (Patreon)

Published:

2026-01-07 15:19:19

Imported:

2026-06

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Content

Link video: https://youtu.be/VBa1ii-DH2c

In this video, I will show you exactly how to build the LongCat Avatar workflow to create natural lip-sync videos that can last up to several minutes! 🤯

Forget about the short 5-second limit of other tools. With this ComfyUI setup, we are unlocking the ability to generate long-form talking head videos with incredible realism. I will also share my personal tips and tricks to optimize your results and speed up the rendering process.

⚙️ Build Workflow

Step 1 - Install the custom node
- Install WanVideoWrapper node: https://github.com/kijai/ComfyUI-WanVideoWrapper
  - Search in ComfyUI Manager or instal via Git clone and pip install
  - Move to custom_node/WanVideoWrapper folder: git switch longcat_avatar
- Install ComfyUI-MelBandRoformer: https://github.com/kijai/ComfyUI-MelBandRoFormer
- Install ComfyUI-Logic: https://github.com/theUpsider/ComfyUI-Logic
- Search in ComfyUI Manager or instal via Git clone
Step 2 - Download the model and place it in the correct folder
- https://huggingface.co/Kijai/LongCat-Video_comfy/blob/main/Avatar/LongCat-Avatar-single_fp8_e4m3fn_scaled_mixed_KJ.safetensors
  - Place the file in: "models/unet/LongCat-Avatar-single_fp8_e4m3nf_scaled_mixed_KJ.safetensors"
- https://huggingface.co/Kijai/LongCat-Video_comfy/blob/main/LongCat_distill_lora_alpha64_bf16.safetensors
  - Place the file in: "models/loras/LongCat_distill_lora_alpha64_bf16.safetensors"
- https://huggingface.co/Wan-AI/Wan2.1-T2V-14B/blob/main/Wan2.1_VAE.pth
  - Place the file in:
    "models/vae/Wan2.1_VAE.pth"
- https://huggingface.co/Kijai/WanVideo_comfy/blob/main/umt5-xxl-enc-fp8_e4m3fn.safetensors
  - Place the file in:
    "models/text_encoders/umt5-xxl-enc-fp8_e4m3fn.safetensors"
- https://huggingface.co/Kijai/MelBandRoFormer_comfy/tree/main
  - Place the file in: "models/diffusion_models/MelBandRoFormer_comfy/MelBandRoformer_fp32.safetensors"

Please check the workflow in the attachments.

Files

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Stop Paying for AI Avatars! Build Your Own with LongCat Avatar (ComfyUI Workflow)

Stop Paying for AI Avatars! Build Your Own with LongCat Avatar (ComfyUI Workflow) Stop wasting money on expensive AI subscriptions! In this video, I’ll show you exactly how to build your own high-quality AI Avatar for FREE using the LongCat Video Avatar workflow in ComfyUI. We are combining the power of LongCat with the Wan Video Sampler to achieve incredible lip-sync realism that rivals paid tools like HeyGen or SadTalker. Whether you are a content creator, developer, or AI enthusiast, this step-by-step guide will help you set up a professional workflow locally. 🔥 In this video, we will: - Discover what LongCat Video Avatar is and why it completely outperforms. Step-by-step guide to building the LongCat Video Avatar Workflow in ComfyUI. Don't forget to Smash that Like button, Subscribe, and hit the bell so you don't miss the latest AI tools! 🔗 Related Videos: - Wan2.2 Animate workflow: [https://youtu.be/tkGVhU5hhiI] - Wan2.2 low VRAM : [https://youtu.be/WU9rr04_D4Y?si=pYVwjFfPoF6W8Kut] - ComfyUI tutorials: [ https://www.youtube.com/playlist?list=PLPb4yHX_Xwzf4oY77qD1zxW_zExbh3bXw] 📌 All Workflow: https://www.patreon.com/c/SOTAI #ComfyUI #LongCat #AIAvatar #LipSync #WanModel