Model API

FLUX.3 Image

FLUX 3 Image is Black Forest Labs' newest image model. Generate detailed, well-composed images in native 2K and 4K with precise layout control and improved text rendering.

Model id

Use this in every request

blackforestlabs/flux-3/text-to-image

This model has other modes with their own ids: blackforestlabs/flux-3/edit-image.

Run it

Quote the input, start the generation with the quote, then poll the job. Set RAYWAKE_API_KEY first; see Authentication.

# 1. Price the exact input (quotes are valid for up to 10 minutes)
curl -s https://api.raywake.com/v1/quotes \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "blackforestlabs/flux-3/text-to-image",
  "input": {
    "prompt": "A red ceramic cup on a wooden table, soft morning light"
  }
}'

# 2. Start the generation with the quote_id from step 1
curl -s https://api.raywake.com/v1/generate \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{"model": "blackforestlabs/flux-3/text-to-image", "quote_id": "QUOTE_ID", "input": {"prompt":"A red ceramic cup on a wooden table, soft morning light"}}'

# 3. Poll until the status is terminal
curl -s https://api.raywake.com/v1/jobs/JOB_ID \
  -H "Authorization: Bearer $RAYWAKE_API_KEY"

Input

Input fields for blackforestlabs/flux-3/text-to-image
Name	Type	Description
`prompt`required	string	The prompt to generate an image from.
`aspect_ratio`	string (enum)	Output aspect ratio. Auto uses the first reference image when editing. Default: `auto` 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`
`resolution`	string (enum)	Output resolution tier. 4k can take several minutes. Default: `1k` One of: `768sq`, `1k`, `2k`, `4k`
`enable_prompt_expansion`	boolean	Expand the prompt while preserving its intent and reference roles. Default: `false`
`safety_tolerance`	integer	Safety tolerance, from 0 (strictest) to 4. Default: `2`
`output_format`	string (enum)	The format of the generated image. Default: `jpeg` One of: `jpeg`, `png`
`sync_mode`	boolean	Return the image as a data URI instead of storing it in request history. Default: `false`
`version`	string	The model version. Default: `latest`

Output

A succeeded job lists its results under outputs, stored on our side. See Jobs for every field.

Job excerpt

"outputs": [
  { "type": "image", "url": "https://…", "mime_type": "image/png", "thumbnail_url": "https://…" }
]

Pricing

768sq · up to$0.07/ image
1k · up to$0.08/ image
2k · up to$0.16/ image
4k · up to$0.97/ image

The exact charge for your input comes from a quote. How charges settle