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FLUX 3 Klein
Black Forest Labs· released October 2026New

FLUX 3 Klein

Fast, low-cost FLUX 3 for drafts and quick edits

FLUX 3 Klein is the small, fast FLUX 3 model from Black Forest Labs: images from a prompt or edits from up to 3 reference images, at 1K, 1.5K or 2K, for a fraction of FLUX 3's price.

  • Very low price
  • 1K, 1.5K and 2K
  • Edits with up to 3 references
  • Seed for reproducibility

Capabilities

Modes
Text to image · Image to image
Aspect ratios
16:9 9:16 1:1 4:3 3:4 3:2 2:3 4:5 5:4 21:9
Resolutions
1K 1.5K 2K
Inputs
Up to 3 reference images

Pricing

Credits per output.

SettingQualityCredits
1KDraft2
1.5KStandard4
1K · Image to imageStandard5
2KStandard7
1.5K · Image to imageStandard9
2K · Image to imageHigh14

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FLUX 3 Klein

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