falText to imageComing soon

fal-ai/hunyuan-image/v3/instruct/text-to-image

Name: fal-ai/hunyuan-image/v3/instruct/text-to-image
Brand: fal

fal-ai/hunyuan-image/v3/instruct/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.

Priced by usage

Pricing

$0.117 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 text prompt to generate an image from.
`image_size`	JSON	auto	The desired size of the generated image. If auto, image size will be determined by the model.
`num_images`	number (whole) 1 to 4	1	The number of images to generate.
`guidance_scale`	number … to 20	3.5	Controls how much the model adheres to the prompt. Higher values mean stricter adherence.
`enable_prompt_expansion`	true or false	true	If set to true, the prompt will be expanded through the model's internal recaptioning step.
`seed`	number (whole)	—	Random seed for reproducible results. If None, a random seed is used.
`output_format`	one of jpeg, png	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/hunyuan-image/v3/instruct/text-to-image",
    "input": {
      "prompt": "Macro photograph of a peacock feather showing individual barbs, barbules, and the iridescent microstructure creating color."
    }
  }'