Flux v1.1 Ultra: Unmatched Resolution & Photorealism
Experience Black Forest Labs' flagship image generation model, delivering 4x higher resolution with stunning photorealism. Flux v1.1 Ultra combines 4MP output, Raw mode for natural results, and lightning-fast 10-second generation for the ultimate professional image creation tool.
4MP Ultra-High Resolution
#1 Ranked in Artificial Analysis Benchmark
2.5x Faster Than Comparable Models
Technical Specifications
Model Architecture
Advanced Transformer-Based Flow Model (12B+ Parameters)
Built with enhanced transformer architecture optimized for maximum resolution and detail retention with flow matching for superior speed-quality balance
Input Types
Text PromptsStyle ReferencesMode Selection (Ultra/Raw)Aspect Ratio ControlsResolution ControlsNegative Prompts
Supported input formats for image generation
Output Types
Ultra-High Resolution Images (up to 4MP)Hyper-Realistic PhotographyNatural-Looking Raw Mode ImagesProfessional Design AssetsMultiple Output Formats
Generated output formats and capabilities
Generation Speed
10 seconds per image (standard)
2.5x faster than comparable high-resolution models
Special Capabilities
- Ultra Mode for maximum 4MP resolution (4x higher than standard)
- Raw Mode for natural photorealism with reduced synthetic artifacts
- Superior human subject rendering with authentic details
- Enhanced environmental detail and spatial accuracy
- Unparalleled text rendering for typography-heavy designs
- Perfect prompt adherence even at higher resolutions
- Advanced lighting simulation with realistic shadows and reflections
- Seamless composition for complex multi-element scenes
- Fine-grained detail preservation at all resolutions
- Professional-grade output suitable for print and commercial use
Advanced features and capabilities
Model Examples
