FLUX.2 [klein] 4B Base

Name: FLUX.2 [klein] 4B Base
Author: fal

image

Text-to-image generation with FLUX.2 [klein] 4B Base from Black Forest Labs.

Capabilities

Show unsupported (15)

Infrastructure

Streaming

Model IDfal-ai/flux-2/klein/4b/base

Providerfal

Creatorfal

Family—

License—

Statusactive

Typeimage

Input modalitiestext, image

Output modalitiesimage

Open weight—

Parameters—

Architecture—

Max resolution—

Resolutions—

Aspect ratios—

Batch size—

Release date2026-01-15

Sourceofficial

imagesPOST

https://fal.run/images

GET/v1/models/fal/fal-ai/flux-2/klein/4b/base