FLUX.2 [klein] 9B Preview

imagepreviewflux-1-dev-non-commercial

Latest [klein] 9B with KV caching improvements for faster editing workflows.

Capabilities

Infrastructure
Fine-tuning

Details

Model IDflux-2-klein-9b-preview
Creator black-forest-labs
Familyflux-2
Licenseflux-1-dev-non-commercial
Statuspreview
Typeimage
Input modalitiestext, image
Output modalitiesimage
Open weightNo
Parameters—
Architecture—
Max resolution—
Resolutions—
Aspect ratios—
Batch size—
Release date—
Sourceofficial

Endpoints

/v1/flux-2-klein-9b-previewPOST
https://api.bfl.ai/v1/flux-2-klein-9b-preview

Pricing

From $0.015/image + $0.002/MP.

Family Comparison: flux-2

ModelMax resolutionResolutionsAspect ratiosBatch size
FLUX.2 [dev]————
FLUX.2 [flex]————
FLUX.2 [klein] 4B————
FLUX.2 [klein] 9B Preview————
FLUX.2 [klein] 9B————
FLUX.2 [max]————
FLUX.2 [pro] Preview————
FLUX.2 [pro]————

API

GET/v1/models/black-forest-labs/flux-2-klein-9b-preview

FLUX.2 [klein] 9B Preview

preview
flux-2-klein-9b-preview

Latest [klein] 9B with KV caching improvements for faster editing workflows.

Changes · 1 entries
flux-2-klein-9b-previewcreate3e56cf1Apr 26, 2026, 07:23 PM