Qwen Image 2.1 Makes Detailed 2K Images Fast

Who it's for: creators who want this pipeline in ComfyUI without assembling nodes from scratch. Not for: one-click results with zero tuning - you still choose inputs, prompts, and settings.

Open preloaded workflow on RunComfy

Open preloaded workflow on RunComfy (browser)

Why RunComfy first
- Fewer missing-node surprises - run the graph in a managed environment before you mirror it locally.
- Quick GPU tryout - useful if your local VRAM or install time is the bottleneck.
- Matches the published JSON - the zip follows the same runnable workflow you can open on RunComfy.

When downloading for local ComfyUI makes sense - you want full control over models on disk, batch scripting, or offline runs.

How to use (local ComfyUI)
1. Load inputs (images/video/audio) in the marked loader nodes.
2. Set prompts, resolution, and seeds; start with a short test run.
3. Export from the Save / Write nodes shown in the graph.

Expectations - First run may pull large weights; cloud runs may require a free RunComfy account.

Overview

Turn your prompts into detailed 2048x2048 images with Qwen Image 2.1. You can shape fashion portraits, cinematic scenes, and product concepts. Adjust prompts and resolution easily. Reuse seeds for consistent results. Run INT8 for efficient generation. Export finished artwork as RGBA PNG files.

Important nodes:

Key nodes in Comfyui Qwen Image 2.1 Text To Image ComfyUI Workflow

• UNETLoader
  Loads the Qwen-Image-2.1 INT8 diffusion backbone that actually performs generation. Keep this pointed at the 2.1 weights for consistency across sessions; switch only when benchmarking variants.

• CLIPLoader or model-specific text encoder loader
  Initializes the prompt encoder so your text is embedded correctly for the generator. If you change encoders, retune CFG slightly and recheck prompt phrasing to maintain the same visual intent.

• EmptySD3LatentImage
  Defines the latent canvas size and batch. Set width and height here to 2048 × 2048 for finals, then adjust downward for faster drafts. Keep batch size 1 at native resolution to avoid VRAM pressure.

• KSampler
  Drives the diffusion process. Use steps to trade speed for detail, and adjust cfg to tighten or relax prompt adherence. If you switch samplers or schedulers, make small, incremental changes and compare results at a fixed seed.

• SaveImage
  Exports the decoded image as an RGBA PNG with your chosen naming pattern. This preserves transparency for compositing and ensures exact reproducibility when combined with a fixed seed and prompt.

Notes

Qwen Image 2.1 in ComfyUI | Qwen Text-to-Image - see RunComfy page for the latest node requirements.