Stop Paying for AI Avatars! Build Your Own with LongCat Avatar (ComfyUI Workflow)
Added 2026-01-07 14:50:50 +0000 UTCLink 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! π€―
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.
βοΈ 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
Place the file in: "models/unet/LongCat-Avatar-single_fp8_e4m3nf_scaled_mixed_KJ.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"
