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black-forest-labs/flux-kontext-dev-lora

Name: black-forest-labs/flux-kontext-dev-lora
Brand: Replicate

black-forest-labs/flux-kontext-dev-lora is an image to image tool from Replicate that runs in the background and returns images. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Priced by usage

Pricing

$0.0416 per image.

Limits

Runs: In the background
Returns: image
Longest queue wait: 3600s
Run deadline: 1800s
Largest inline input: 1024 KB
Largest input file: 500 MB
Largest output: 4768 MB
Outputs per run: 16

Input

Field	Kind	Default	Description
`prompt` required	text	—	Text description of what you want to generate, or the instruction on how to edit the given image.
`input_image` required	text	—	Image to use as reference. Must be jpeg, png, gif, or webp.
`seed`	number (whole)	—	Random seed for reproducible generation. Leave blank for random.
`guidance`	number 0 to 10	2.5	Guidance scale for generation
`megapixels`	JSON	1	Approximate number of megapixels for generated image
`aspect_ratio`	JSON	1:1	Aspect ratio of the generated image. Use 'match_input_image' to match the aspect ratio of the input image.
`lora_weights`	text	—	Path to the lora weights
`lora_strength`	number	1	Strength of the lora
`output_format`	JSON	webp	Output image format
`output_quality`	number (whole) 0 to 100	80	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`	number (whole) 4 to 50	30	Number of inference steps

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "replicate",
    "model": "black-forest-labs/flux-kontext-dev-lora",
    "input": {
      "prompt": "<prompt>",
      "input_image": "<input_image>"
    }
  }'