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Image model

FLUX.2 Klein 9B

Black Forest Labs

Released
January 2026
Data date
September 24, 2026
Parameters
Benchmark configuration
Price
Per image

FLUX.2 Klein 9B combines BFL’s open weights with output up to 4 megapixels, four reference images, and documented API and local use. BFL positions the checkpoint for real-time and high-volume generation.

The 9B weights are released for non-commercial use under the FLUX Non-Commercial License. Klein does not include prompt upsampling.

Position
Rank 28 of 30
Index score
24.4 / 100
1.Krea 2 Large75.6 / 100
2.GPT Image 274.2 / 100
5.Luma Uni-1.1 Max63.8 / 100
6.MAI-Image-2.561.8 / 100
8.Reve 2.160.1 / 100
9.Seedream 5.0 Pro57.2 / 100
11.GPT Image 2.5 Flare56.3 / 100
13.FLUX.2 Max55.8 / 100
14.Nano Banana Pro53.8 / 100
15.Nano Banana 2 Lite53.2 / 100
17.Nano Banana 251.1 / 100
18.FLUX.2 Flex49.4 / 100
19.GPT Image 1.548.3 / 100
20.Qwen Image 2.0 Pro47.7 / 100
21.FLUX.2 Pro46 / 100
23.Ideogram 4.045.4 / 100
25.Seedream 4.037.7 / 100
27.Midjourney V8.128.5 / 100
28.FLUX.2 Klein 9B24.4 / 100
29.HiDream-O1-Image19.3 / 100
Methodology and source

This position gives equal weight to 4 fixed Gradually image tests. One archived first output contributes for each model and task.