Black Forest Labs: FLUX.2 [klein] 4B API
The fastest, most lightweight FLUX.2 model with sub-second generation and open weights (Apache 2.0).
- Input: text, image
- Output: image
- File input: Supported
- Released: 2026-01-15
The fastest, most lightweight FLUX.2 model with sub-second generation and open weights (Apache 2.0).