AI Is Making the Mainframe Harder to Retire, Not Easier
Computer Weekly, Friday, July 10th, 2026
AI is reinforcing the business case for mainframes, with most organizations modernizing rather than retiring them.
AI is strengthening the business case for keeping mainframes rather than retiring them, as AI and hybrid cloud help optimize total cost of ownership and give the platform fresh relevance.
Surveys show 50% of European and US organizations plan to increase mainframe use over the next couple of years, versus just 5% looking to cut it, and 56% are increasing overall use by positioning mainframes at the center of hybrid environments.
This marks a shift from the earlier retirement narrative toward a pragmatic reality of modernization. AI tools are enhancing mainframe capabilities and integration with modern workloads, making them harder to justify replacing.