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ComfyUI-WeightedRandomChoice

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Last updated
2025-04-22

A node designed for ComfyUI, the ComfyUI-WeightedRandomChoice allows users to select between two inputs based on a specified probability. This tool is particularly beneficial for introducing randomness into prompts, enhancing creative workflows.

  • Enables selection between two inputs (input_a and input_b) based on a defined probability.
  • Supports various data types for both inputs, making it versatile for different use cases.
  • Offers a default return value when one input is unconnected, ensuring smooth operation without errors.

Context

The ComfyUI-WeightedRandomChoice is a specialized node within the ComfyUI framework that facilitates the selection of one of two provided inputs based on a customizable chance value. Its primary purpose is to introduce randomness in scenarios where varying outcomes are desired, such as in creative prompt generation.

Key Features & Benefits

One of the standout features of this node is its ability to accept any datatype for both inputs, which allows for flexibility in how it is applied. The chance parameter, a float ranging from 0 to 1, gives users precise control over the likelihood of selecting input_a, enabling fine-tuning of randomness in outputs. Additionally, the node's capacity to return a default value when one input is absent prevents workflow interruptions, making it user-friendly.

Advanced Functionalities

The node's advanced functionality lies in its probabilistic selection mechanism, which can be particularly useful in scenarios that require stochastic processes. By adjusting the chance parameter, users can easily simulate different probabilities, allowing for more dynamic and varied outputs in their projects.

Practical Benefits

Incorporating the ComfyUI-WeightedRandomChoice into workflows significantly enhances control over randomness, allowing for tailored outputs that can adapt to creative needs. This node streamlines the process of integrating variability into prompts, ultimately improving the efficiency and quality of results generated within ComfyUI.

Credits/Acknowledgments

The ComfyUI-WeightedRandomChoice was developed by contributors to the open-source community, with acknowledgments to the original authors and the ComfyUI framework. The tool is shared under an open-source license, promoting collaborative development and use.