Flux-1-Dev is an open-weight, non-commercial text-to-image model from Black Forest Labs, designed for high-quality image generation with a 12B parameter rectified flow transformer. It is optimized for research and creative experimentation.
Retired on Aug 22, 2026: requests to this model ID now return an error. These models are live and work with the same API key.
Flux-1-Dev is an open-weight, non-commercial text-to-image model from Black Forest Labs, designed for high-quality image generation with a 12B parameter rectified flow transformer. It is optimized for research and creative experimentation.
No. Flux 1 Dev was retired on NagaAI on Aug 22, 2026, and requests to it now return an error. Live models you can use instead with the same API key: Flux 3 Image Klein, Flux 3 Image and Flux 2 Klein 9B.
It takes text as input and returns images.