FLUX.2 Klein

by Black Forest Labs

Compact image editing models by Black Forest Labs. 4B and 9B parameters, fast inference. Edit with natural language — backgrounds, clothing, photo restoration. The 4B is Apache 2.0.

ImageApache 2.0 (4B) / FLUX NCL (9B)Released Jan 20264B / 9B parameters

Hugging Face repo ↗

Drag or click to move along the pipeline

full qualitylightest

Lighter tiers fit smaller GPUs and lose some detail. Start with the heaviest one that loads.

The model

FLUX.2 Klein

BF16from 15.6 GB

Three pieces, three separate downloads.

Diffusion modelGoes in diffusion_models/

Generates the image

Pick one: smaller loads faster, larger keeps more detail.

18.2 GB↓↗

7.8 GB↓↗

Text encoderGoes in text_encoders/

Turns your prompt into guidance

Pick one: smaller loads faster, larger keeps more detail.

15.3 GB↓↗

7.5 GB↓↗

VAEGoes in vae/

Decodes the result into pixels

0.3 GB↓↗

LoRAs (optional)Goes in loras/

No LoRAs indexed for this model.

SamplerKSampler

Copy these values into your KSampler.

Samplereuler

SchedulerFlux2Scheduler

Native res.1MP native (any aspect ratio, max 4MP)

Base20 steps, CFG 5.0

Distilled4 steps, CFG 1.0

Usage notes

GGUF is the lightest way to run this model.

Apache 2.0 (4B) / FLUX NCL (9B). Check the official repo for usage terms.

Click a file name to copy it.