Vaethat is a specialized 2026 AI render enhancer tailored for architectural visualization (archviz) professionals. It upscales and enhances 3D renders with archviz-specific AI, preserving architectural details, geometry, and realism without distortions. Key strengths: batch processing, high-resolution output, detail retention in upscaling, and workflow-friendly for designers/architects. Ideal for improving low-res renders, interior/exterior viz, and post-production polish—free trial available, paid from ~$14/mo.