On October 27, 2026, AWS published the exam guides for SAP-C03 (Solutions Architect – Professional) and DVA-C03 (Developer – Associate) . This article goes through the official "Comparison of C02 and C03" pages and both guides, and lays out everything that changed.

My earlier article, written from the announcement blog before the guides were out, is here → previous article URL

This one is based on the published guides.

1. The short version

SAP-C03 DVA-C03

In one line Same substance, restructured skeleton, plus AI and new services on top AI added, substance unchanged

Domain structure 4 domains → 5, fully reorganized. The cut changes from "organizational complexity / new solutions / improvement / migration" to Well-Architected pillars (design / security / cost / resilience / operations) 4 domains, names and order mostly kept.…