A photorealistic LoRA model for generating Russian Blue cat images using Flux Dev architecture. ## Model Specifications ### Architecture - **Base Model**: Flux Dev - **Model Type**: LoRA - **Transformer**: float8 - **Text Encoder**: float8 - **Linear Rank**: 64 - **Data Type**: bf16 ### Training Configuration - **Training Steps**: 7000 - **Gradient Accumulation**: 1 - **Batch Size**: 1 - **Timestep Type**: Sigmoid - **Timestep Bias**: Balanced - **Optimizer**: AdamW8bit ### Dataset Information - **Total Images**: 1000 - **Image Dimensions**: 1024×1024, 768×768, 512×512 - **Captions**: Individual `.txt` files per image ## Usage ### Trigger Word - **None required** - The model responds to natural language descriptions ### Recommended Tags ``` russian blue, cat, photorealistic, photography ``` ### Example Prompts ``` A russian blue cat sitting on a windowsill, photorealistic photography Russian blue cat portrait, professional photography, detailed fur texture Photorealistic russian blue cat in natural lighting, shallow depth of field ``` ## Description This Flux Dev LoRA model specializes in generating highly photorealistic images of Russian Blue cats. Trained on 1000 high-quality images across multiple resolutions, the model captures the distinctive features of the Russian Blue breed including their blue-grey coat, green eyes, and elegant physique. The model is optimized for photographic realism and works best with photography-style prompts and natural lighting descriptions. ## Technical Details The model uses float8 precision for both transformer and text encoder to optimize memory usage while maintaining quality. Trained with a balanced sigmoid timestep bias over 7000 steps using the AdamW8bit optimizer for efficient convergence. ## Recommended Settings - **LoRA Weight**: 0.7-1.0 - **CFG Scale**: 3.5-7.0 - **Sampling Steps**: 20-30 - **Sampler**: Euler a / DPM++ 2M Karras ## License Please specify your license here. ## Credits Model trained by wangkanai

Russian Blue Cat

# Russian Blue Cat - Flux Dev LoRA v1.0 **Initial Release** - Photorealistic Russian Blue cat generation model ## Version Information - **Version**: 1.0 - **Release Date**: 2025-10-16 - **Status**: Stable - **Model Type**: Flux Dev LoRA ## What's New in v1.0 🎉 **Initial Release** - First public release of the Russian Blue cat LoRA model - 1000 training images across multiple resolutions - Optimized for photorealistic output - No trigger word required - natural language prompting ## Model Specifications ### Architecture - **Base Model**: Flux Dev - **Model Type**: LoRA - **Transformer**: float8 - **Text Encoder**: float8 - **Linear Rank**: 64 - **Data Type**: bf16 ### Training Configuration - **Training Steps**: 7000 - **Gradient Accumulation**: 1 - **Batch Size**: 1 - **Timestep Type**: Sigmoid - **Timestep Bias**: Balanced - **Optimizer**: AdamW8bit ### Dataset - **Total Images**: 1000 - **Resolutions**: 1024×1024, 768×768, 512×512 - **Caption Format**: Individual `.txt` files per image ## Usage Guide ### Basic Usage **No trigger word required** - Simply describe what you want: ``` russian blue cat, photorealistic photography Russian blue cat portrait, professional lighting, detailed fur Russian blue cat sitting on windowsill, natural light, shallow depth of field ``` ### Recommended Tags ``` russian blue, cat, photorealistic, photography, detailed fur, green eyes ``` ### Optimal Settings for v1.0 | Parameter | Recommended Value | Range | | ------------------ | ----------------- | ------------------------- | | **LoRA Weight** | 0.8-0.9 | 0.7-1.0 | | **CFG Scale** | 5.0 | 3.5-7.0 | | **Sampling Steps** | 25 | 20-30 | | **Sampler** | Euler a | Euler a / DPM++ 2M Karras | ### Example Prompts **Portrait Style**: ``` russian blue cat portrait, photorealistic, professional photography, detailed blue-grey fur, bright green eyes, studio lighting, sharp focus ``` **Environmental Shots**: ``` russian blue cat sitting on a velvet cushion, natural window light, photorealistic, elegant pose, detailed whiskers ``` **Close-up Detail**: ``` russian blue cat face close-up, photorealistic photography, detailed fur texture, green eyes, soft lighting, shallow depth of field ``` ## Version-Specific Notes ### Strengths - ✅ Excellent photorealistic quality - ✅ Accurate breed characteristics (blue-grey coat, green eyes) - ✅ Good detail in fur texture - ✅ Works well with natural lighting descriptions - ✅ Stable across different resolutions ### Known Characteristics - 📌 Best results at LoRA weight 0.8-0.9 - 📌 Responds well to photography-style prompts - 📌 Optimized for realistic lighting scenarios - 📌 Works best with descriptive prompts about pose and environment ### Tips for Best Results 1. **Lighting**: Include lighting descriptions (natural light, studio lighting, etc.) 2. **Detail Level**: Mention specific details (fur texture, eye color, whiskers) 3. **Photography Terms**: Use photography vocabulary (shallow depth of field, bokeh, sharp focus) 4. **Environment**: Describe the setting or background 5. **Weight**: Start at 0.8 and adjust based on your needs ## Technical Details This v1.0 release uses float8 precision for both transformer and text encoder to optimize memory usage while maintaining high-quality output. The model was trained over 7000 steps using the AdamW8bit optimizer with a balanced sigmoid timestep bias for efficient convergence and stable results. The diverse dataset spanning three resolution tiers (1024px, 768px, 512px) ensures the model performs well across different output sizes. ## Compatibility - **Base Model**: Flux Dev - **Recommended**: Use with Flux Dev base model for best results - **ComfyUI**: Compatible with standard LoRA loader nodes - **A1111/Forge**: Compatible with built-in LoRA support ## File Information - **File Size**: ~TBD MB - **Format**: SafeTensors - **Precision**: bf16 ## Future Versions This is the initial release. Future versions may include: - Fine-tuning based on community feedback - Additional training on specific poses or scenarios - Optimization for different art styles - Extended dataset for improved variety ## Support &amp; Feedback Found an issue or have suggestions for v2.0? Please provide feedback to help improve future releases. ## License Please specify your license here. ## Credits **Model Training**: wangkanai **Release Date**: 2025-10-16 **Version**: 1.0 --- For general model information and specifications, see [readme-model.md](readme-model.md)

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