⚡ Minimal • Clean • Organized • Ready-to-Use

A minimal, extremely clean ComfyUI workflow for FLUX.2-dev Reboot paired with a FlashVSR upscaler and an Original vs Upscaled comparison panel — designed for fast, professional image generation.

📝 Description

🔥 What this workflow does

This workflow is built to give you a simple, non-cluttered way to generate images using FLUX.2-dev (Reboot) and instantly upscale them using FlashVSR — all inside one single neat setup.

Most FLUX workflows become spaghetti…
This one is clean, compact, and beginner-friendly while still being creator-grade.

🔧 Pipeline Overview

🟦 1. FLUX.2-dev Generation (Reboot Block)

• Uses FLUX.2-dev GGUF main model

• External Mistral 3 Small Text Encoder

• External Flux VAE

• Organized nodes for prompt, seed, settings

• Large dedicated preview for the base render

🟪 2. FlashVSR Upscale Block

• Direct upscale from Flux output

• Supports 2× / 4× depending on VRAM

• Clean routing with minimal node clutter

• Perfect for 4K-ready results

🟨 3. Original vs Upscaled Preview (Side-by-Side)

• Built-in viewers for comparison

• Quickly check detail, noise, sharpness

• No need to save & re-import images

📦 Required Models

🧠 Main FLUX.2-dev GGUF

🔗 https://huggingface.co/orabazes/FLUX.2-dev-GGUF/tree/main

✍️ Text Encoder (Mistral 3 Small for Flux)

🔗 https://huggingface.co/Comfy-Org/flux2-dev/blob/main/split_files/text_encoders/mistral_3_small_flux2_fp8.safetensors

🎨 Flux VAE

🔗 https://huggingface.co/Comfy-Org/flux2-dev/tree/main/split_files/vae

🔼 Upscaler

✔ FlashVSR model + ComfyUI FlashVSR node
(Download through ComfyUI Manager or GitHub repo)

Please place models in correct folders based on your ComfyUI setup.

🚀 How to Use

1. Open the workflow in ComfyUI

2. Enter your prompt + negative prompt

3. Choose your resolution / steps

4. Generate with Flux Dev 2

5. The output is automatically sent to FlashVSR

6. Compare results in the Original vs Upscaled panel

7. Export sharp, clean images instantly

Super simple, super fast.

💻 Recommended Settings

• GPU: 10–12GB VRAM recommended

• Base resolution: 1024×1024, 832×1216, or 1216×832

• Steps: 20–30 (ideal for Flux)

• FlashVSR:

  • 2× upscale → safe for all GPUs

  • 4× upscale → best quality, higher VRAM needed

🎯 Best For

✨ Concept art
✨ Portraits
✨ Thumbnails
✨ Posters / Key Visuals
✨ Fast client work
✨ Clean templates for custom pipelines

🙏 Credits

🧩 FLUX.2-dev GGUF — orabazes
🧠 Flux VAE + Text Encoder — Comfy-Org
📈 FlashVSR — FlashVSR authors + ComfyUI integration
🎨 Workflow assembly, optimization & layout — (Veonix)