How much does FLUX.2 Klein Base 4B cost?

FLUX.2 Klein Base 4B is open source and can be self-hosted.

What benchmarks has FLUX.2 Klein Base 4B been tested on?

FLUX.2 Klein Base 4B has not been benchmarked yet. Scores are added as benchmarks are published.

Is FLUX.2 Klein Base 4B open source?

Yes, FLUX.2 Klein Base 4B is open source.

How does FLUX.2 Klein Base 4B compare to GPT-5.4 Image 2?

FLUX.2 Klein Base 4B has an average score of 0.0 while GPT-5.4 Image 2 scores 0.0. GPT-5.4 Image 2 slightly outperforms FLUX.2 Klein Base 4B overall. See full comparison →

Home/Models/FLUX.2 Klein Base 4B

FLUX.2 Klein Base 4B

Name: FLUX.2 Klein Base 4B
Author: Black Forest Labs

by Black Forest Labs · Released Jan 2026

Open Source

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Context

N/A

Input $/1M

TBD

Output $/1M

TBD

Type

image-to-image

License

Open Source

Benchmarks

0 tested

Data updated today

About

Black-forest-labs image to image model. 360K downloads on HuggingFace.

No benchmark data available yet.

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black-forest-labs-flux2-klein-base-4b

Specifications

Typeimage-to-image
ContextN/A
ReleasedJan 2026
LicenseOpen Source
StatusActive

Available On

Black Forest LabsTBD

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transformer open-weights tokens

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Frequently Asked Questions

FLUX.2 Klein Base 4B is an open-source image-to-image AI model by Black Forest Labs, released in January 2026.

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FLUX.2 Klein Base 4B

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