Black Forest Labs / Model reference

FLUX.1 [dev]

Name: FLUX.1 [dev]
Author: Black Forest Labs

Black Forest Labs model available through the Celeste SDK. Explore its supported operations and parameters.

See the code

Model IDflux-dev

What it can do.

celeste.images.generateGenerate images

Parameters.

Supported controls from Celeste’s model registry. Values and availability differ between models.

FLUX.1 [dev] parameters and constraints
Parameter	Accepted values
`aspect_ratio`	Width × height
`guidance`	1.5 – 5
`output_format`	`jpegpngwebp`
`prompt_upsampling`	True / False
`reference_images`	Image artifacts
`safety_tolerance`	0 – 6
`seed`	Integer
`steps`	1 – 50

Start with a few lines

Put it to work.

Use your provider credentials. Call the model through the SDK and build around its output.

import celeste
response = await celeste.images.generate(
    model="flux-dev",
    prompt="A quiet observatory on a volcanic coast at dawn."
)
image = response.content

This example uses images.generate. Explore the quickstart for installation and authentication.