link to val - https://www.val.town/v/fal/creative_upscaler

Create val
const upscaledImage = @fal.creative_upscaler("an owl", "https://storage.googleapis.com/falserverless/model_tests/upscale/owl.png") 

Create val
import fal from "npm:@fal-ai/serverless-client";

const result = await fal.subscribe("fal-ai/creative-upscaler", {
  input: {
      prompt: "an owl",
      image_url: "https://storage.googleapis.com/falserverless/model_tests/upscale/owl.png",
  },
  logs: true,
  onQueueUpdate: (update) => {
    if (update.status === "IN_PROGRESS") {
      update.logs.map((log) => log.message).forEach(console.log);
    }
  },
});

https://www.fal.ai/models/creative-upscaler