black-forest-labs/flux-kontext-dev 🔢📝🖼️❓✓ → 🖼️

⭐ Official ▶️ 2.4M runs 📅 May 2025 ⚙️ Cog 0.15.9 🔗 GitHub 📄 Paper ⚖️ License

image-consistent-character-generation image-editing image-style-transfer image-to-image

About

Open-weight version of FLUX.1 Kontext

Example Output

Prompt:

"Change the car color to red, turn the headlights on"

Output

Performance Metrics

4.17s Prediction Time

6.11s Total Time

1 Images

All Input Parameters

{
  "prompt": "Change the car color to red, turn the headlights on",
  "go_fast": true,
  "guidance": 2.5,
  "input_image": "https://replicate.delivery/pbxt/N5YURZv4ifaW2bMwU7hmrwzgtxf99DTQXpBeobLt1O7dEc3h/pexels-jmark-253096.jpg",
  "aspect_ratio": "match_input_image",
  "output_format": "jpg",
  "output_quality": 80,
  "num_inference_steps": 30
}

Input Parameters

seed Type: integer: Random seed for reproducible generation. Leave blank for random.
prompt (required) Type: string: Text description of what you want to generate, or the instruction on how to edit the given image.
guidance Type: numberDefault: 2.5Range: 0 - 10: Guidance scale for generation
input_image (required) Type: string: Image to use as reference. Must be jpeg, png, gif, or webp.
aspect_ratio Default: match_input_image: Aspect ratio of the generated image. Use 'match_input_image' to match the aspect ratio of the input image.
output_format Default: webp: Output image format
output_quality Type: integerDefault: 80Range: 0 - 100: Quality when saving the output images, from 0 to 100. 100 is best quality, 0 is lowest quality. Not relevant for .png outputs
num_inference_steps Type: integerDefault: 30Range: 4 - 50: Number of inference steps
disable_safety_checker Type: booleanDefault: false: Disable NSFW safety checker

Output Schema

Output

Type: string • Format: uri

Example Execution Logs

Starting generate image
Using seed: 16326
Total safe images: 1 out of 1
generate image took 4.09 seconds

Version Details

Version ID: 85723d503c17da3f9fd9cecfb9987a8bf60ef747fd8f68a25d7636f88260eb59
Version Created: June 26, 2025

Run on Replicate →