- Runway Gen3a turbo
- Runway Gen4 turbo
- Runway First Last Frame to video
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.
Make sure your ComfyUI is updated.Workflows in this guide can be found in the Workflow Templates.
If you can’t find them in the template, your ComfyUI may be outdated.(Desktop version’s update will delay sometime)If nodes are missing when loading a workflow, possible reasons:
- You are not using the latest ComfyUI version(Nightly version)
- You are using Stable or Desktop version (Latest changes may not be included)
- Some nodes failed to import at startup
Gen3a turbo Image-to-Video Workflow
1. Workflow File Download
The video below contains workflow information in itsmetadata
. Please download and drag it into ComfyUI to load the corresponding workflow.
Download Json Format Workflow File
Download the image below as input image
2. Complete the Workflow Execution Step by Step

- In the
Load Image
node, load the provided input image - In the
Runway Gen3a turbo
node, set theprompt
to describe video content, modify theduration
parameter to set video length, modify theratio
parameter to set video aspect ratio - Click the
Run
button, or use the shortcutCtrl(cmd) + Enter
to execute video generation. - After waiting for the API to return results, you can view the generated video in the
Save Video
node (right-click to save). The corresponding video will also be saved to theComfyUI/output/
directory.
Gen4 turbo Image-to-Video Workflow
1. Workflow File Download
The video below contains workflow information in itsmetadata
. Please download and drag it into ComfyUI to load the corresponding workflow.
Download Json Format Workflow File
Download the image below as input image
2. Complete the Workflow Execution Step by Step

- In the
Load Image
node, load the provided input image - In the
Runway Gen4 turbo
node, set theprompt
to describe video content, modify theduration
parameter to set video length, modify theratio
parameter to set video aspect ratio - Click the
Run
button, or use the shortcutCtrl(cmd) + Enter
to execute video generation. - After waiting for the API to return results, you can view the generated video in the
Save Video
node (right-click to save). The corresponding video will also be saved to theComfyUI/output/
directory.
First-Last Frame Video Generation Workflow
1. Workflow File Download
The video below contains workflow information in itsmetadata
. Please download and drag it into ComfyUI to load the corresponding workflow.
Download Json Format Workflow File
Download the images below as input images

2. Complete the Workflow Execution Step by Step

- In the
Load Image
node, load the starting frame - In the
Load Image
node, load the ending frame - In the
Runway First-Last-Frame to Video
node, set theprompt
to describe video content, modify theduration
parameter to set video length, modify theratio
parameter to set video aspect ratio - Click the
Run
button, or use the shortcutCtrl(cmd) + Enter
to execute video generation. - After waiting for the API to return results, you can view the generated video in the
Save Video
node (right-click to save). The corresponding video will also be saved to theComfyUI/output/
directory.