FLUX 1.1 Pro Ultra is the highest-resolution version of the FLUX 1.1 Pro model by Black Forest Labs. It generates ultra-high-resolution images with exceptional detail, photorealism, and prompt accuracy, designed for professional creative workflows requiring maximum image quality.
Specifications
Release Date
November 1, 2024
Architecture
Diffusion
Max Resolution
2048x2048
License
proprietary
Supported Resolutions
1024x10241536x10241024x15362048x2048
Features
Generation
Img2Img
Inpainting
Outpainting
Pricing
Provider
replicate
Price per Image
$0.060
Generation Time
12.2 sec
Speed
4.9 img/min
Links
Similar Models
All ModelsFlux 1.1 Pro
Black Forest Labs
img2imginpaint1536x1536
Released:Oct 2024
Architecture:diffusion
Price:$0.040/img
Speed:4.7s
Flux 2 Flex
Black Forest Labs
img2imginpaint1536x1536
Released:Jun 2025
Architecture:diffusion
Price:$0.060/img
Speed:20s
Flux 2 Max
Black Forest Labs
img2imginpaint2048x2048
Released:Jun 2025
Architecture:diffusion
Price:$0.060/img
Speed:31.6s
Flux Kontext Max
Black Forest Labs
img2imginpaint2048x2048
Released:May 2025
Architecture:diffusion
Price:$0.080/img
Speed:15.4s
Recommendations are based on similarity of characteristics: developer organization, model architecture, supported features (img2img, inpainting), and price range. Go to the full catalog to browse all image generation models.