Riverflow 2.5 Pro is Sourceful's top-quality agentic image model. Multi-step reasoning, candidate scoring with custom rubrics, and a thinking dial up to xhigh hold output to a production bar. Crisp on-image typography with optional custom fonts (TTF/OTF/WOFF), up to 10 reference images, output to 4K, and 11 aspect ratios. Background: original, transparent, or any hex color. Built for premium packaging, advertising key art, magazine covers, brand campaigns, and any deliverable that needs production-grade quality.