Gartner Predicts Over 70% of Mainframe Exit Projects Will Fail Due to Overestimation of Generative AI Capabilities

Gartner forecasts that more than 70% of mainframe exit projects initiated in 2026 will not achieve their intended benefits. This failure is attributed to an overestimation of generative AI (GenAI) tooling capabilities in transforming and migrating complex legacy code, highlighting a significant challenge in enterprise AI adoption and cloud migration strategies.