Illustrious XL 3.0–3.5-vpred represents a major advancement in Stable Diffusion XL (SD XL) modeling, notably supporting resolutions ranging seamlessly from 256 up to 2048. The v3.5-vpred variant particularly emphasizes robust natural language understanding capabilities, comparable in sophistication to miniaturized large language models (LLMs), achieved through extensive simultaneous training of both CLIP and UNet components.