Question: I need a user-friendly tool that can help me create photorealistic images without requiring extensive technical knowledge.

For photorealistic imagery with no need for a Ph.D. in computer science, NewArc.ai is a great AI tool. It converts sketches into photorealistic images and 3D renders in a matter of seconds, letting anyone explore ideas in fashion, cars, architecture and other fields. It's got an accessible interface and a range of pricing tiers, including a free version, so it's good for personal and professional use.

Another good choice is getimg.ai, which offers a broad foundation for image generation and editing. You can generate original images from text prompts, edit existing images and train your own custom AI models. The service can generate high-resolution images, and it offers tools like Image to Video conversion and AI Canvas for expanding images, so it's good for a wide range of creative tasks.

Enhance AI is another all-purpose AI image generation and editing foundation. You can turn text prompts into realistic images, edit existing images and apply your own styles. The service has an easy-to-use interface and flexible pricing tiers, so it's good for beginners and pros, and it can streamline your image creation and editing workflow.

Last, Leonardo is a more powerful AI image generator that can generate high-quality visual assets at scale. It includes features like AI Canvas, 3D texture generation and fine-tuned models for different styles. With a free tier and paid subscriptions, Leonardo can help creators, teams and developers generate consistent and high-quality visual assets across a range of domains, from concept art to product photography.