Question: Can you suggest a tool that generates high-quality, photorealistic renders for architectural designs quickly?

One of the best is Architect AI. This AI-powered service lets you upload sketches, photos or 3D model screenshots and tweak parameters to get photorealistic renderings in a few seconds. It's got a range of styles, an editable environment, weather and material options. The pay-as-you-go pricing is pretty cheap, with credits costing $1.99 for 10 renders, so you can get what you need without breaking the bank.

Another good option is mnml.ai. This service has a range of AI tools that can help architects and interior designers generate high-quality renders and variations. With tools like Sketch to Image AI, Exterior AI and Interior AI, you can turn freehand sketches into photorealistic images and try out different design styles. It integrates with common 3D modeling tools and offers tiered pricing plans, including a free trial to get you started.

LookX AI Cloud is another option. It can turn text, sketches and prompts into photorealistic renderings, videos and images. With options like RealTime Rendering, Video Generation and Style Adapter, it can handle a lot of design situations. It's particularly good for fast collaboration and iteration, so it's good for architects and designers who need to get designs in front of clients or colleagues fast.

If you want something more all-purpose, ReRender AI has more than 20 different design styles and lots of customization options. It works for lots of industries, and it has a range of plans, including a free plan with lower render quality and a Pro Plan that lets you use it for commercial purposes with unlimited renders and higher quality. It's good for quickly visualizing and presenting projects with high-quality renders.