black-forest-labs/flux-1.1-pro-ultra ✓🔢📝❓🖼️ → 🖼️

⭐ Official ▶️ 19.8M runs 📅 Nov 2024 ⚙️ Cog 0.16.8 📄 Paper ⚖️ License

high-resolution image-to-image text-to-image

About

FLUX1.1 [pro] in ultra and raw modes. Images are up to 4 megapixels. Use raw mode for realism.

Example Output

Prompt:

"a majestic snow-capped mountain peak bathed in a warm glow of the setting sun"

Output

Performance Metrics

8.13s Prediction Time

8.14s Total Time

1 Images

All Input Parameters

{
  "raw": false,
  "prompt": "a majestic snow-capped mountain peak bathed in a warm glow of the setting sun",
  "aspect_ratio": "3:2",
  "output_format": "jpg",
  "safety_tolerance": 2,
  "image_prompt_strength": 0.1
}

Input Parameters

raw Type: booleanDefault: false: Generate less processed, more natural-looking images
seed Type: integer: Random seed. Set for reproducible generation
prompt (required) Type: string: Text prompt for image generation
aspect_ratio Default: 1:1: Aspect ratio for the generated image
image_prompt Type: string: Image to use with Flux Redux. This is used together with the text prompt to guide the generation towards the composition of the image_prompt. Must be jpeg, png, gif, or webp.
output_format Default: jpg: Format of the output images.
safety_tolerance Type: integerDefault: 2Range: 1 - 6: Safety tolerance, 1 is most strict and 6 is most permissive
image_prompt_strength Type: numberDefault: 0.1Range: 0 - 1: Blend between the prompt and the image prompt.

Output Schema

Output

Type: string • Format: uri

Example Execution Logs

Running prediction... 
Using seed: 14351
Generating image...
Generated image in 8.0sec
Downloaded image in 0.13sec

Version Details

Version ID: 5ea10f739af9f6d4002fae9aee4c15be14c3c8d7f8b309e634bf68df09159863
Version Created: November 10, 2025

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