ComfyUI > Nodes > ComfyUI > Flux.2 Image

ComfyUI Node: Flux.2 Image

Class Name

Flux2ImageNode

Category
api node/image/BFL
Author
ComfyAnonymous (Account age: 763days)
Extension
ComfyUI
Latest Updated
2026-05-13
Github Stars
112.77K

How to Install ComfyUI

Install this extension via the ComfyUI Manager by searching for ComfyUI
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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Flux.2 Image Description

Generate images using Flux.2 model, AI-powered, text prompts, reference images, simplifies image generation for artists and designers.

Flux.2 Image:

The Flux2ImageNode is designed to generate images using the advanced capabilities of the Flux.2 model, specifically the [pro] and [max] variants. This node allows you to create images from textual prompts and optionally incorporate reference images to guide the generation process. It leverages the power of AI to transform your creative ideas into visual content, making it an invaluable tool for artists and designers looking to explore new artistic possibilities. By providing a seamless interface to the Flux.2 model, this node simplifies the process of image generation, enabling you to focus on creativity rather than technical details.

Flux.2 Image Input Parameters:

prompt

The prompt parameter is a textual input that serves as the primary driver for image generation. It allows you to describe the scene, objects, or concepts you wish to visualize. The node uses this prompt to guide the AI model in creating an image that aligns with your description. This parameter supports multiline input, enabling you to provide detailed and nuanced prompts. The default value is an empty string, and there are no strict minimum or maximum character limits, but more detailed prompts can lead to more specific results.

model

The model parameter lets you choose between the "Flux.2 [pro]" and "Flux.2 [max]" options. Each model variant offers different capabilities and performance characteristics. The [pro] model is optimized for general use, while the [max] model provides enhanced features for more demanding tasks. Selecting the appropriate model can impact the quality and style of the generated image, allowing you to tailor the output to your specific needs.

seed

The seed parameter is an integer value used to initialize the random number generator for the image creation process. By setting a specific seed, you can ensure reproducibility of results, meaning the same prompt and seed will always produce the same image. This is particularly useful for iterative design processes or when you want to share exact results with others. The default value is 0, with a range from 0 to 18,446,744,073,709,551,615 (0xFFFFFFFFFFFFFFFF).

Flux.2 Image Output Parameters:

image

The image output parameter provides the final generated image based on the input prompt and model selection. This output is the visual representation of your creative input, transformed by the AI model into a tangible piece of art. The image can be used for various purposes, such as digital art projects, concept design, or as a starting point for further artistic exploration.

Flux.2 Image Usage Tips:

  • Experiment with different prompts to explore the full range of creative possibilities offered by the Flux.2 models. Detailed and specific prompts can lead to more accurate and interesting results.
  • Use the seed parameter to reproduce specific images or to iterate on designs by slightly modifying the prompt while keeping the seed constant.

Flux.2 Image Common Errors and Solutions:

Invalid model selection

  • Explanation: This error occurs when an unsupported model option is selected.
  • Solution: Ensure that you select either "Flux.2 [pro]" or "Flux.2 [max]" from the available options.

Seed out of range

  • Explanation: The seed value provided is outside the acceptable range.
  • Solution: Verify that the seed value is between 0 and 18,446,744,073,709,551,615 and adjust it accordingly.

Missing prompt

  • Explanation: The prompt field is empty, which is required for image generation.
  • Solution: Provide a descriptive prompt to guide the image generation process.

Flux.2 Image Related Nodes

Go back to the extension to check out more related nodes.
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RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

Flux.2 Image