falText to imageComing soon
falfal-ai/flux-2/klein/9b
fal-ai/flux-2/klein/9b is a text to image tool from fal 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 usagePricing
$0.0078 per megapixel. Each image_size preset counts as 1 MP, and a custom width × height rounds up to whole megapixels. Billed on num_images, default 1. The final charge comes from usage.
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 | — | The prompt to generate an image from. |
seed | number (whole) | — | The seed to use for the generation. If not provided, a random seed will be used. |
num_inference_steps | number (whole) 4 to 8 | 4 | The number of inference steps to perform. |
image_size | JSON | landscape_4_3 | The size of the image to generate. |
num_images | number (whole) 1 to 4 | 1 | The number of images to generate. |
output_format | one of jpeg, png, webp | png | The format of the generated image. |
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": "fal",
"model": "fal-ai/flux-2/klein/9b",
"input": {
"prompt": "A bright, surreal scene on a vast white salt flat under a clear blue sky, featuring two fluffy white alpacas standing in the foreground. Behind them sits a…"
}
}'