Black Forest Labs: FLUX.2 Klein 9B Preview API
Submits an image generation or editing task with the FLUX.2 [klein] 9B preview endpoint, where our latest quality and speed improvements land first. For stable production use, prefer FLUX.2 [klein] 9B (/flux-2-klein-9b).
- Input: text, image
- Output: image
- File input: Supported
- Released: 2026-01-14
- Knowledge cutoff: 2025-09-30
Frequently Asked Questions
What is the knowledge cutoff of FLUX.2 Klein 9B Preview?
The knowledge cutoff of FLUX.2 Klein 9B Preview is 2025-09-30.