Stable Diffusion 3.5 ControlNets, provided by Stability AI, is a text-to-image AI model that supports various ControlNets, including Canny edge detection, depth maps, and high-fidelity upscaling. This model generates high-quality images based on textual prompts, making it especially suitable for applications in illustration, architectural rendering, and 3D asset texturing. Its significance lies in providing finer control over image generation, enhancing the quality and detail of outputs. Background information includes its citation in academia (arxiv:2302.05543) and adherence to the Stability Community License. In terms of pricing, it is free for non-commercial use and for commercial use with an annual income below $1 million; exceeding this requires contacting for a corporate license.