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CategoryImage Model
About FLUX.2 [klein] 4B
FLUX.2 klein 4B is a distilled image-generation and multi-reference editing model developed by Black Forest Labs. The official checkpoint has 4 billion parameters and is released under Apache 2.0. Its model card reports approximately 13GB VRAM for local use; requirements depend on the runtime and configuration. It supports text-to-image and image-to-image workflows. Generated text may be distorted, and outputs can miss the prompt or reflect biases. This record refers to black-forest-labs/FLUX.2-klein-4B, not the base checkpoint or klein 9B. Source: the official Black Forest Labs Hugging Face model card, checked September 12, 2026.
Capabilities
text to imageimage to imagemulti reference editing
Input Modalities
textimage
Output Modalities
image
Technical Details
- Category
- Image Model
Tags
image generationimage editingmulti-referenceopen weightsApache 2.0distilled
Pricing and access
Downloadable weights use Apache 2.0; local compute and deployment still cost resources. Hosted BFL or fal access is billed by the selected service. Do not use token pricing for this image model.
Tools using FLUX.2 [klein] 4B
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Black Forest Labsai lab
FLUX models for visual intelligence
1 Tools1 MCP Servers1 ModelsFounded 2024Freiburg im Breisgau, Germany
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