falText to imageComing soon

blackforestlabs/flux-3/text-to-image

Name: blackforestlabs/flux-3/text-to-image
Brand: fal

blackforestlabs/flux-3/text-to-image 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.

Price pending

Pricing

Price pending.

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.
`aspect_ratio`	one of auto, 21:9, 2:1, 16:9, 3:2, 7:5, 4:3, 5:4, 1:1, 4:5, 3:4, 5:7, 2:3, 9:16, 1:2	auto	Output aspect ratio. Auto uses the first reference image when editing.
`resolution`	one of 768sq, 1k, 1.5k, 2k, 4k	1k	Output resolution tier. 4k can take several minutes.
`enable_prompt_expansion`	true or false	false	Expand the prompt while preserving its intent and reference roles.
`safety_tolerance`	number (whole) 0 to 4	2	Safety tolerance, from 0 (strictest) to 4.
`output_format`	one of jpeg, png	jpeg	The format of the generated image.
`version`	text	latest	The model version.

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": "blackforestlabs/flux-3/text-to-image",
    "input": {
      "prompt": "A red fox leaping over a stream in a pine forest, low-angle wildlife photograph."
    }
  }'