FLUX.3 Klein

Name: FLUX.3 Klein
Author: fal

image

Generates images from text prompts with FLUX.3 Klein, with configurable image size, reproducible seeds, prompt expansion and optional bounding-box layout control.

Capabilities

Show unsupported (16)

No supported capabilities recorded.

Details

Model IDblackforestlabs/flux-3/klein/text-to-image

Providerfal

Creatorblackforestlabs

Family—

License—

Statusactive

Typeimage

Input modalitiestext, image

Output modalitiesimage

Open weight—

Max resolution—

Resolutions—

Aspect ratios—

Batch size—

Release date2026-10-14

Sourceofficial

Endpoints

imagesPOST

https://fal.run/images

API

GET/v1/models/fal/blackforestlabs/flux-3/klein/text-to-image