Seedance 2.0 Image to Video turns a single still image into a short, natural-looking video. The workflow is intentionally minimal: LoadImage brings your source photo or artwork into the graph, ByteDance2FirstLastFrameNode (powered by Seedance 2.0) synthesizes motion and generates a sequence of frames, and SaveVideo encodes the result as a playable clip. It’s a fast, focused way to create 4–15 second motion from a static image without extra conditioning or complex control nodes.
Technically, ByteDance2FirstLastFrameNode uses Seedance 2.0 to infer a coherent motion arc anchored by consistent first and last frames, then interpolates the in-betweens to preserve subject structure and style. You control core parameters such as clip length (seconds or frames), frames-per-second, motion intensity, and (if exposed by your version) a seed for repeatability. The node outputs a frame sequence that SaveVideo compiles into a video at the chosen fps. For best results, start with a clean, well-lit image where the main subject is centered, keep motion strength moderate, and target 6–10 seconds for the most natural movement.
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.
FAQ
