Flux 1.1 Pro Ultra

flux-1.1-pro-ultra
byBlack Forest Labs|Created May 25, 2025
Image Generation

Flux-1.1-Pro-Ultra is a high-resolution, high-speed image generation model from Black Forest Labs, capable of producing images up to 4 million pixels (4MP). It is designed for professional printing, fine art, and applications requiring exceptional detail and speed.

Code Example

Example code for using this model through our API with Python (OpenAI SDK) or cURL. Replace placeholders with your API key and model ID.

Basic request example. Ensure API key permissions. For more details, see our documentation.

from openai import OpenAI

client = OpenAI(base_url="https://api.naga.ac/v1", api_key="YOUR_API_KEY")

resp = client.images.generate(
    model="flux-1.1-pro-ultra",
    prompt="A white siamese cat",
    size="1024x1024",
    n=1,
    response_format="url",  # or "b64_json"
)
print(resp.data)  # array of images with url or b64_json