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The FLUX.1 [dev] Model is licensed by Black Forest Labs. Inc. under the FLUX.1 [dev] Non-Commercial License. Copyright Black Forest Labs. Inc.
IN NO EVENT SHALL BLACK FOREST LABS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH USE OF THIS MODEL.
🎨 Style Transfer Prompter
Generate style-only prompts from a reference image for FLUX, Krea, and other Image-to-Image models.
Unlike traditional image captioning, Style Transfer Prompter intentionally ignores the image content. Instead, it instructs a local VLM (Qwen3-VL) to describe only the visual style—brushwork, line quality, edge treatment, rendering technique, textures, and color palette.
As a result, the target image keeps its original subject while adopting the artistic style of the reference image.
✨ Features
✅ Style-only prompt generation
No characters, objects, poses, or scene descriptions—only stylistic attributes.
✅ Four analysis modes
🎨 Artistic / Illustration
🧊 3D / Render / CGI
📷 Photorealistic / Cinematic
✏️ Anime / Manga
✅ Identity preservation
keep_identity helps preserve the identity of the target subject.
✅ Painterly edge detection
painterly_edges describes unfinished brush strokes, watercolor bleeding, rough edges, and loose paint transitions.
✅ Color control
keep_original_colors
preserve the original colors of the target image
or adopt the palette of the reference image
✅ Custom prompt extension
extra_prompt appends your own instructions to the generated prompt.
📦 Dependencies
This node requires:
ComfyUI-QwenVL — local VLM for style analysis
(https://github.com/1038lab/ComfyUI-QwenVL)
ZImageResolutionScaler — automatic resolution matching
(https://civitai.red/models/2344436/z-image-resolution-picker)
FLUX 2 Klein 9B Distilled — Image Editing model
⚙️ Installation
Download the archive.
Extract it.
Copy ComfyUI-StyleTransferPrompter into:
ComfyUI/custom_nodes/
Restart ComfyUI.
Make sure ComfyUI-QwenVL is installed.
Download a compatible Qwen3-VL model.
🖼 Included Workflow
The included style_transfer_workflow.json is based on the standard FLUX 2 Klein Image Editing workflow.
Pipeline
Style Reference Image
│
▼
AILab_QwenVL_Advanced
│
▼
Style Transfer Prompter
│
▼
Generated Style Prompt
│
▼
FLUX
▲
│
Target Image
│
▼
ZImageResolutionScaler
🧩 Workflow Nodes
Node Purpose
Style Reference Image Reference image for style analysis
Target Image + Mask Image to be stylized
AILab_QwenVL_Advanced Generates a style description using a local VLM
Style Transfer Prompter Converts the description into a FLUX-compatible style prompt
ZImageResolutionScaler Automatically matches processing resolution
FLUX 2 Klein 9B Performs Image-to-Image stylization
⚙️ Node Parameters
🎨 style_mode
Selects the category used for style analysis.
👤 keep_identity
Helps preserve the identity of the target subject.
🖌 painterly_edges
Emphasizes unfinished edges, brush strokes, watercolor bleeding, and loose paint transitions.
🌈 keep_original_colors
Keeps the original colors of the target image instead of adopting the reference palette.
✍️ extra_prompt
Appends additional custom instructions to the generated prompt.
🎭 Mask Usage
Use Target Image and Mask (standard Load Image node) and create a mask via Open in MaskEditor.
When connected to VAE Encode, only the masked region is stylized, while the rest of the image remains unchanged.
