Runway is a company focused on generative AI, providing powerful image generation capabilities. Its models support features such as style transfer, image extension, and detail control. Currently, ComfyUI has integrated the Runway API, allowing you to directly use the related nodes in ComfyUI for image generation.

In this guide, we will walk you through the following workflows:

  • Text-to-image
  • Reference-to-image

To use the API nodes, you need to ensure that you are logged in properly and using a permitted network environment. Please refer to the API Nodes Overview section of the documentation to understand the specific requirements for using the API nodes.

If you find missing nodes when loading the workflow file below, it may be due to the following situations:

  1. You are not using the latest Development (Nightly) version of ComfyUI.
  2. You are using the Stable (Release) version or Desktop version of ComfyUI (which does not include the latest feature updates).
  3. You are using the latest Commit version of ComfyUI, but some nodes failed to import during startup.

Please make sure you have successfully updated ComfyUI to the latest Development (Nightly) version. See: How to Update ComfyUI section to learn how to update ComfyUI.

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Runway Image Text-to-Image Workflow

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1. Workflow File Download

The image below contains workflow information in its metadata. Please download and drag it into ComfyUI to load the corresponding workflow.

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2. Complete the Workflow Execution Step by Step

You can refer to the numbers in the image to complete the basic text-to-image workflow execution:

  1. In the Runway Text to Image node, input your prompt in the prompt field
  2. (Optional) Adjust the ratio setting to set different output aspect ratios
  3. Click the Run button, or use the shortcut Ctrl(cmd) + Enter to execute image generation.
  4. After waiting for the API to return results, you can view the generated image in the Save Image node (right-click to save). The corresponding image will also be saved to the ComfyUI/output/ directory.

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Runway Image Reference-to-Image Workflow

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1. Workflow and Input Image Download

The image below contains workflow information in its metadata. Please download and drag it into ComfyUI to load the corresponding workflow.

Download the image below for input

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2. Complete the Workflow Execution Step by Step

You can refer to the numbers in the image to complete the basic reference-to-image workflow execution:

  1. In the Load Image node, load the provided input image
  2. In the Runway Text to Image node, input your prompt in the prompt field and adjust dimensions
  3. Click the Run button, or use the shortcut Ctrl(cmd) + Enter to execute image generation.
  4. After waiting for the API to return results, you can view the generated image in the Save Image node (right-click to save). The corresponding image will also be saved to the ComfyUI/output/ directory.