# Workflow Nunchaku Flux Dev Upscaler

> Workflow wrapper imported from `Nunchaku Flux Dev Upscaler.json`.

- Skill: `steliosot/workflow-nunchaku-flux-dev-upscaler` (Agent Skill, multi-file: 6 files)
- Install (CLI): `npx skillmds@latest add steliosot/workflow-nunchaku-flux-dev-upscaler`
- Raw SKILL.md: https://api.skillmd.com/api/skills/steliosot/workflow-nunchaku-flux-dev-upscaler/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Productivity
- Author: steliosot (https://skillmd.com/u/steliosot)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/steliosot/workflow-nunchaku-flux-dev-upscaler

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# workflow_nunchaku_flux_dev_upscaler

Imported workflow skill generated from `Nunchaku Flux Dev Upscaler.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

- `vae`: `ae.safetensors` -> `models/vae`
- `upscale_model`: `4xNomos2_hq_dat2.safetensors` -> `models/upscale_models`

## Custom Node Requirements

- `ComfyUI-TiledDiffusion`
- `ComfyUI-nunchaku`
- `comfyui-easy-use`
- `comfyui-nunchaku`
- `rgthree-comfy`

## Links

- https://discord.com/invite/gggpkVgBf3
- https://github.com/Tavris1/ComfyUI-Easy-Install
- https://huggingface.co/Comfy-Org/Lumina_Image_2.0_Repackaged/resolve/main/split_files/vae/ae.safetensors?download=true
- https://huggingface.co/Phips/4xNomos2_hq_dat2
- https://huggingface.co/Phips/4xNomos2_hq_dat2/resolve/main/4xNomos2_hq_dat2.safetensors?download=true
- https://huggingface.co/comfyanonymous/flux_text_encoders/resolve/main/clip_l.safetensors?download=true
- https://huggingface.co/comfyanonymous/flux_text_encoders/resolve/main/t5xxl_fp8_e4m3fn_scaled.safetensors?download=true
- https://huggingface.co/comfyanonymous/flux_text_encoders/tree/main
- https://huggingface.co/mit-han-lab/nunchaku-flux.1-dev/resolve/main/svdq-fp4_r32-flux.1-dev.safetensors?download=true
- https://huggingface.co/mit-han-lab/nunchaku-flux.1-dev/resolve/main/svdq-int4_r32-flux.1-dev.safetensors?download=true
- https://huggingface.co/mit-han-lab/nunchaku-flux.1-dev/tree/main
- https://www.youtube.com/@pixaroma

<!-- AUTO-METADATA-START -->
## Routing Metadata

- Family: `upscaling`
- Input modalities: `image, text_prompt`
- Output modalities: `image/png`
- Model families: `flux`
- Node count: `26`
- Complexity score: `2`
- Resource profile: `low`
- Estimated runtime: `fast (usually under 30s on modern GPU)`
- Max latent resolution hint: `None`x`None`
- Max sampler steps hint: `20`

## Detected Models

- `vae`: `ae.safetensors` -> `models/vae`
- `upscale_model`: `4xNomos2_hq_dat2.safetensors` -> `models/upscale_models`

## Detected Custom Nodes

- `ComfyUI-TiledDiffusion`
- `ComfyUI-nunchaku`
- `comfyui-easy-use`
- `comfyui-nunchaku`
- `rgthree-comfy`

## Runtime Warnings

- Multiple custom nodes required; verify node installation/version compatibility.
<!-- AUTO-METADATA-END -->