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Cyber Realistic is a photorealistic image generation model created by Cyberdelia, built on the Stable Diffusion 1.5 architecture. The model specializes in generating detailed human figures and realistic scenes with enhanced anatomical accuracy. Through iterative refinement and blended training approaches, it addresses common generative defects while maintaining high texture fidelity and natural lighting across diverse subjects and compositional prompts.
CyberRealistic is a photorealistic generative artificial intelligence model developed by Cyberdelia, primarily designed to create highly detailed and realistic images of human figures and various scenes. Built upon the Stable Diffusion 1.5 architecture, CyberRealistic aims to address common challenges in generative image synthesis, such as ensuring accurate anatomical representation and minimizing visual anomalies. The model is frequently updated and is utilized within the creative AI community for its versatility and focus on photorealism.
A CyberRealistic v8.0 output: an AI-generated, atmospheric still life scene, demonstrating detail and nuanced lighting.
CyberRealistic is built as a fine-tuned model checkpoint, utilizing the foundational diffusion framework of Stable Diffusion 1.5. This base provides a robust structure for generating high-resolution, coherent, and complex images. The model employs a pre-baked Variational AutoEncoder (VAE) that streamlines the generation pipeline by encoding and decoding image data efficiently, resulting in reduced artifacts and increased fidelity. Distributed in the SafeTensor format, CyberRealistic supports secure model sharing and safe integration into compatible generative pipelines, adhering to practices for open model deployment.
Model customization is further enhanced through compatibility with textual inversion and LoRA (Low-Rank Adaptation) techniques. These extensions facilitate fine-grained prompt engineering and user-specific model adaptation without the need for extensive retraining or alteration of the core model weights. This flexibility enables both novice and experienced users to generate diverse outputs or infuse unique stylistic elements.
CyberRealistic's training process is characterized by a blended model approach, in which multiple existing models and datasets were integrated to achieve a desired level of realism and consistency. The creator conducted experimentation with different blends, aiming to overcome prevalent generative defects, particularly those affecting anatomical accuracy in human renders. While the precise lineage of all blended components remains undocumented due to the iterative and experimental nature of the process, the result is a model that reliably generates figures with natural limb and digit proportions, addressing common failures such as extraneous fingers or asymmetrical features.
The enhanced output quality, specifically the anatomical consistency, is attributed to careful tuning across successive versions. Each iteration prioritized resolving known problem areas while preserving or improving the overall photorealistic capacity of the model. The combination of data diversity and repeated fine-tuning allows CyberRealistic to generalize effectively across a wide range of subjects, lighting conditions, and compositional prompts.
CyberRealistic is characterized by its photorealistic rendering capabilities, producing images that exhibit high texture fidelity, lifelike lighting, and anatomical precision. Its typical use cases include the generation of portraiture, full-body human images, and realistic environmental scenes, enabling applications in digital art, concept visualization, and other creative domains.
CyberRealistic v8.0 output: A highly detailed and realistic portrait showcasing facial texture and sophisticated lighting.
Its accessibility is furthered by the model's ability to generate high-quality results from minimal prompts, lowering barriers for users unfamiliar with technical prompting conventions. Support for prompt refinement tools, such as custom ChatGPT prompt helpers, enables iterative feedback and optimization of prompt phrasing for specified outcomes.
In addition to its focus on single-subject realism, CyberRealistic's ecosystem includes specialized variants and embeddings. The CyberRealistic Negative - SD 1.5 resource, for instance, provides additional capabilities for refining negative prompts, helping suppress undesired elements or artifacts in the output. Complementary models such as CyberRealistic Classic and CyberRealistic Semi-Real expand the stylistic reach into classic photorealism and semi-realistic rendering respectively.
CyberRealistic Negative - SD 1.5 output: A photo-realistic depiction of an astronaut in orbit, demonstrating realistic lighting and environment.
CyberRealistic Classic output: A realistic night-time city portrait, with natural lighting and detailed facial features.
CyberRealistic Semi-Real output: A semi-realistic style rendering with soft color transitions and stylized features.
Since its initial release on February 25, 2025, CyberRealistic has seen continuous iteration and refinement. Version advancements have included improvements in anatomical accuracy, output consistency, and the introduction of dedicated inpainting variants to address specific image editing workflows. Major releases, culminating in v8.0 and v8.0-Inpainting, have prioritized increased reliability in complex image synthesis. Earlier versions, such as v4.1 "Back to Basics" and numerous inpainting-focused checkpoints, mark notable points in the evolution of the model’s capabilities.
Users have reported high performance in generating singular, photorealistic subjects, though occasional challenges such as unintended multi-face generation remain, particularly when prompts are ambiguous. Inpainting tasks are better handled by dedicated inpainting versions, reflecting the nuanced requirements of reconstructive image editing compared to standard image generation.
Ongoing user feedback, gathered through platforms such as Civitai, has contributed to addressing recurrent issues and informing development priorities. However, some technical limitations have been observed depending on usage context: for example, certain mobile platforms have reported compatibility concerns when importing newer model versions.
Despite its strengths, CyberRealistic exhibits several common limitations inherent to photorealistic generative models. Because the base model does not explicitly encode semantics or context, it can sometimes yield outputs with unintended visual artifacts or incorporate multiple figures even when singular subjects are requested. To refine such results, targeted negative prompts such as "lowres, bad anatomy, bad hands, missing fingers, cropped, worst quality" can be employed. Inpainting performance is contingent on the use of the appropriate model variant.
CyberRealistic is distributed under the CreativeML Open RAIL-M license with an additional addendum, promoting open use while specifying responsible and ethical deployment. This license ensures the model is freely available for research, creative, and non-commercial activities, aligning with standards for transparent and reproducible AI research.