The 'Runway: Gen3a Turbo Image to Video' workflow in ComfyUI is designed to transform static images into dynamic, cinematic videos using the Runway Gen3a Turbo model. This workflow leverages the power of Runway's advanced image-to-video conversion capabilities, allowing users to create visually stunning videos from simple images. The process begins with the 'LoadImage' node, which imports the static image you wish to convert. The core of the workflow is the 'RunwayImageToVideoNodeGen3a', which utilizes Runway's API to perform the conversion. The final video is then saved using the 'SaveVideo' node, providing a seamless end-to-end solution for video generation.
Technically, this workflow is efficient and user-friendly, requiring minimal input while delivering high-quality results. The 'RunwayImageToVideoNodeGen3a' node is particularly noteworthy for its ability to handle complex image data and transform it into fluid video sequences. This makes the workflow especially useful for content creators, marketers, and anyone looking to enhance their visual media with dynamic video content. By integrating with Runway's API, users can ensure that their network environment is secure and compliant, as detailed in the author notes.
API
Use this workflow from code
Every Comfy workflow is a JSON graph. The payload below is this workflow, exactly as ComfyUI runs it — fetch it from the URL, keep it in version control, or load it in ComfyUI and run it node by node.
Run it from TypeScript or Python with the Comfy SDK. The same code targets Comfy Cloud or a ComfyUI you host yourself — only the base URL changes.
// Install (beta)
npm i @comfyorg/sdk
// Run this workflow (TypeScript)
import { Comfy } from "@comfyorg/sdk";
const client = new Comfy({ apiKey: "comfyui-..." });
const wf = await client.workflows.fromFile("workflow_api.json");
const job = await client.run(wf);
await job.getOutputs("<output-node-id>")[0].toFile("output.png");The SDK takes a workflow in API format: open this workflow in ComfyUI and use File → Export Workflow (API).
Comfy Cloud API access requires a plan with an API key.
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