Which of the following is a prominent text-to-image generator?

The prominent text-to-image generator among the provided options is DALL-E. This model, developed by OpenAI, is specifically designed to generate images from textual descriptions, allowing users to create unique visuals based on the prompts they provide. DALL-E harnesses the power of deep learning and has been showcased for its ability to produce high-quality and creative imagery that accurately reflects the given text.

In comparison, while DeepArt applies neural networks for artistic style transfer, it is not primarily focused on generating images from text prompts. ImageNet is a large database primarily used for image classification tasks, not for generating new images based on text. Pix2Pix, on the other hand, is a model that transforms sketches or layouts into realistic images, but it does not work directly from textual descriptions like DALL-E does. Thus, DALL-E stands out as the unique solution explicitly created for the purpose of generating images from written content.