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Black Forest Labs put FLUX 3 Image Klein, a 5.6B open-weights model, on Hugging Face under a revenue-limited licence.
The model card describes FLUX 3 Image Klein as a 5.6B open-weights model for text-to-image generation and image editing, released under the FLUX Kommunity License.
Check our sources · 5 facts from 1 sourceBlack Forest Labs lists FLUX 3 Image Klein on Hugging Face. The model card calls it a 5.6B open weights model for text-to-image generation and image editing; it accepts a prompt and up to 10 reference images and returns one image.
The licence is the FLUX Kommunity License v.1.0. The card says it allows non-commercial use, and commercial output generation by Qualifying Users with less than US$5M in gross annualized revenue. The files are gated: the card says you need to agree to share your contact information to access the model.
The card says peak GPU memory is about 31 GB in BF16 at 1024x1024 on a B200, without the upsampler.
Underlined sentences link to the facts we checked. Dotted words open a short explainer.
Fact 2 of 5 · from Hugging Face / Black Forest Labs
It takes a prompt and up to 10 reference images and returns one image.
Fact 4 of 5 · from Hugging Face / Black Forest Labs
You need to agree to share your contact information to access this model
Fact 5 of 5 · from Hugging Face / Black Forest Labs
Peak GPU memory with the reference code, B200, 1024x1024, prompt upsampler off: 31 GB in BF16
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Check our sources
Every sentence above is checked against this source.
1 FLUX 3 Image Klein model card
Open the source archived copy-
The FLUX 3 Image Klein model card describes it as a 5.6B open weights model for text-to-image generation and image editing.
citeFLUX 3 Image Klein is a 5.6B open weights model for text-to-image generation and image editing.
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The model card says it accepts a prompt and up to 10 reference images and returns one image.
citeIt takes a prompt and up to 10 reference images and returns one image.
-
The model card names the licence as the FLUX Kommunity License v.1.0, which allows non-commercial use plus commercial output generation by Qualifying Users with less than US$5M in gross annualized revenue.
citeFLUX Kommunity License v.1.0 ... non-commercial use, plus commercial output generation by Qualifying Users with less than US$5M in gross annualized revenue
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The model card says you need to agree to share your contact information to access the model.
Toned down to what the source says
citeYou need to agree to share your contact information to access this model
-
The model card says peak GPU memory is about 31 GB in BF16 at 1024x1024 on a B200, without the upsampler.
citePeak GPU memory with the reference code, B200, 1024x1024, prompt upsampler off: 31 GB in BF16
Every sentence above is checked against this source. Each fact has its own address you can cite.
Source 1 · Hugging Face / Black Forest Labs
FLUX 3 Image Klein model card
The FLUX 3 Image Klein model card describes it as a 5.6B open weights model for text-to-image generation and image editing.
FLUX 3 Image Klein is a 5.6B open weights model for text-to-image generation and image editing.
The model card says it accepts a prompt and up to 10 reference images and returns one image.
It takes a prompt and up to 10 reference images and returns one image.
The model card names the licence as the FLUX Kommunity License v.1.0, which allows non-commercial use plus commercial output generation by Qualifying Users with less than US$5M in gross annualized revenue.
FLUX Kommunity License v.1.0 ... non-commercial use, plus commercial output generation by Qualifying Users with less than US$5M in gross annualized revenue
Show all 5 factsShow fewer facts
The model card says you need to agree to share your contact information to access the model.
Toned down to what the source saysYou need to agree to share your contact information to access this model
The model card says peak GPU memory is about 31 GB in BF16 at 1024x1024 on a B200, without the upsampler.
Peak GPU memory with the reference code, B200, 1024x1024, prompt upsampler off: 31 GB in BF16
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