.NET developers are under pressure to generate Word, Excel, and PDF documents at scale—fast, reliably, and without burning weeks on low-level code. OpenXML is free and native, but its complexity can drain productivity and introduce hidden costs. Xceed promises to streamline workflows with a high-level API and commercial support. But when it comes to real-world workloads—does Xceed actually outperform OpenXML on speed, features, and total cost of ownership?