Workflow Flux Txt2img Collage With Upscaler Square 2048px 1 1

workflow_flux_txt2img_collage_with_upscaler_square_2048px_1_1

Imported workflow skill generated from Flux txt2img Collage with Upscaler - Square 2048px 1-1.json.

Family

• upscaling

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

• upscale_model: 4x_NMKD-Siax_200k.pth -> models/upscale_models
• vae: ae.safetensors -> models/vae
• clip: t5-v1_1-xxl-encoder-Q8_0.gguf -> models/clip
• diffusion_model: flux1-dev-Q8_0.gguf -> models/diffusion_models

Custom Node Requirements

• ComfyUI-TiledDiffusion
• comfyui-easy-use
• comfyui-gguf

Links

• https://discord.com/invite/gggpkVgBf3
• https://huggingface.co/Akumetsu971/SD_Anime_Futuristic_Armor/resolve/main/4x_NMKD-Siax_200k.pth?download=true
• https://huggingface.co/black-forest-labs/FLUX.1-schnell
• https://huggingface.co/black-forest-labs/FLUX.1-schnell/resolve/main/ae.safetensors?download=true
• https://huggingface.co/city96/FLUX.1-dev-gguf/resolve/main/flux1-dev-Q8_0.gguf?download=true
• https://huggingface.co/city96/FLUX.1-dev-gguf/tree/main
• https://huggingface.co/city96/t5-v1_1-xxl-encoder-gguf/resolve/main/t5-v1_1-xxl-encoder-Q8_0.gguf?download=true
• https://huggingface.co/city96/t5-v1_1-xxl-encoder-gguf/tree/main
• https://huggingface.co/comfyanonymous/flux_text_encoders/resolve/main/clip_l.safetensors?download=true
• https://www.youtube.com/@pixaroma

Routing Metadata

• Family: upscaling
• Input modalities: text_prompt
• Output modalities: image/png
• Model families: flux, sd3
• Node count: 27
• Complexity score: 6
• Resource profile: high
• Estimated runtime: slow (often 2-6 min depending on model/server load)
• Max latent resolution hint: 1024x1024
• Max sampler steps hint: 30

Detected Models

• upscale_model: 4x_NMKD-Siax_200k.pth -> models/upscale_models
• vae: ae.safetensors -> models/vae
• clip: t5-v1_1-xxl-encoder-Q8_0.gguf -> models/clip
• diffusion_model: flux1-dev-Q8_0.gguf -> models/diffusion_models

Detected Custom Nodes

• ComfyUI-TiledDiffusion
• comfyui-easy-use
• comfyui-gguf

Runtime Warnings

• Large model(s) detected; ensure enough VRAM and disk space.
• Medium-high resolution detected; expect moderate extra runtime.
• Uses custom nodes; missing nodes can cause validation/runtime failures.