Black Forest Labs claims FLUX 3 Image Klein leads open-weight text-to-image models

Black Forest Labs says FLUX 3 Image Klein ranks first in text-to-image among open-weight models on third-party benchmarks, and scores highly in image editing.

The company posted this on X on October 23, 2026. The benchmarks are not named. Black Forest Labs says its own internal testing found the model performs most strongly at precise image editing.

On November 3, 2026, the company posted a teaser for the model on X titled "FLUX 3 Image Klein, for every season." The teaser gives no specifications, pricing, or release date.