Workflow Nunchaku Qwen Lightning Txt2img

workflow_nunchaku_qwen_lightning_txt2img

Imported workflow skill generated from Nunchaku Qwen Lightning txt2img.json.

Family

• txt2img

Inputs

• Optional runtime overrides supported by run(...):
  • prompt
  • negative_prompt
  • width, height
  • seed, steps, cfg
  • sampler_name, scheduler, denoise
  • server, headers, api_prefix

Outputs

• Returns JSON with:
  • status
  • prompt_id
  • output_images

Model Requirements

• clip: qwen_2.5_vl_7b_fp8_scaled.safetensors -> models/clip
• vae: qwen_image_vae.safetensors -> models/vae

Custom Node Requirements

• comfyui-nunchaku

Links

• https://discord.com/invite/gggpkVgBf3
• https://github.com/Tavris1/ComfyUI-Easy-Install
• https://github.com/nunchaku-tech/ComfyUI-nunchaku
• https://huggingface.co/Comfy-Org/Qwen-Image_ComfyUI/resolve/main/split_files/text_encoders/qwen_2.5_vl_7b_fp8_scaled.safetensors
• https://huggingface.co/Comfy-Org/Qwen-Image_ComfyUI/resolve/main/split_files/vae/qwen_image_vae.safetensors
• https://huggingface.co/Comfy-Org/Qwen-Image_ComfyUI/tree/main/split_files/text_encoders
• https://huggingface.co/nunchaku-tech/nunchaku-qwen-image/resolve/main/svdq-int4_r32-qwen-image-lightningv1.0-4steps.safetensors?download=true
• https://huggingface.co/nunchaku-tech/nunchaku-qwen-image/tree/main
• https://www.youtube.com/@pixaroma

Routing Metadata

• Family: txt2img
• Input modalities: text_prompt
• Output modalities: image/png
• Model families: qwen, sd3
• Node count: 12
• Complexity score: 3
• Resource profile: medium
• Estimated runtime: moderate (about 30-120s depending on server)
• Max latent resolution hint: 1024x1024
• Max sampler steps hint: 4

Detected Models

• clip: qwen_2.5_vl_7b_fp8_scaled.safetensors -> models/clip
• vae: qwen_image_vae.safetensors -> models/vae

Detected Custom Nodes

• comfyui-nunchaku

Runtime Warnings

• Medium-high resolution detected; expect moderate extra runtime.
• Uses custom nodes; missing nodes can cause validation/runtime failures.