How do AI image generators work?

AI image generators transform text-based prompts (i.e., what you describe) into visual images using machine learning models that have been trained on millions of images and descriptions.

When you input an image prompt (like “a trapeze artist walking across a tightrope”), the AI model interprets the words, identifies patterns based on its training data, and then generates a completely new image that matches your description.

This process involves the following steps:

  • Text understanding: The AI parses your prompt to understand key elements like subject, style, lighting, setting, and mood.
  • Pattern matching: It uses deep learning to reference visual patterns and styles it has seen during training.
  • Image rendering: The AI tool assembles those concepts into a new image.

Advanced tools like QuillBot’s AI image generator make this even easier by offering preset styles and aspect ratios that help guide the AI toward more accurate and creative results.