const output = await replicate.run(
  "collina/rb2:bb80391a033705590d5fbcdadeb04af8062a43af78a27c3b3828d905516d8f42",
  {
    input: {
      width: "768",
      height: 512,
      prompt: "rb person, smiling, Sharp focus, Minimalist, High contrast, Digital art, Trending on Artstation, by artist romain trystram, american flag background, Sharp focus, Minimalist, High contrast, Digital art, Trending on Artstation, by artist romain trystram",
      scheduler: "DDIM",
      num_outputs: 1,
      guidance_scale: 12,
      negative_prompt: "disfigured faces, no shirt",
      prompt_strength: 0.8,
      num_inference_steps: 20,
      disable_safety_check: true
    }
  }
);

// To access the file URL:
console.log(output[0].url()); //=> "http://example.com"

// To write the file to disk:
fs.writeFile("my-image.png", output[0]);

output = replicate.run(
    "collina/rb2:bb80391a033705590d5fbcdadeb04af8062a43af78a27c3b3828d905516d8f42",
    input={
        "width": "768",
        "height": 512,
        "prompt": "rb person, smiling, Sharp focus, Minimalist, High contrast, Digital art, Trending on Artstation, by artist romain trystram, american flag background, Sharp focus, Minimalist, High contrast, Digital art, Trending on Artstation, by artist romain trystram",
        "scheduler": "DDIM",
        "num_outputs": 1,
        "guidance_scale": 12,
        "negative_prompt": "disfigured faces, no shirt",
        "prompt_strength": 0.8,
        "num_inference_steps": 20,
        "disable_safety_check": True
    }
)

# To access the file URL:
print(output[0].url())
#=> "http://example.com"

# To write the file to disk:
with open("my-image.png", "wb") as file:
    file.write(output[0].read())

curl -s -X POST \
  -H "Authorization: Bearer $REPLICATE_API_TOKEN" \
  -H "Content-Type: application/json" \
  -H "Prefer: wait" \
  -d $'{
    "version": "collina/rb2:bb80391a033705590d5fbcdadeb04af8062a43af78a27c3b3828d905516d8f42",
    "input": {
      "width": "768",
      "height": 512,
      "prompt": "rb person, smiling, Sharp focus, Minimalist, High contrast, Digital art, Trending on Artstation, by artist romain trystram, american flag background, Sharp focus, Minimalist, High contrast, Digital art, Trending on Artstation, by artist romain trystram",
      "scheduler": "DDIM",
      "num_outputs": 1,
      "guidance_scale": 12,
      "negative_prompt": "disfigured faces, no shirt",
      "prompt_strength": 0.8,
      "num_inference_steps": 20,
      "disable_safety_check": true
    }
  }' \
  https://api.replicate.com/v1/predictions