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Core Systems Modernization Strategy: A 4-Step Framework for the AI Era

Gartner® shares research on how IT leaders must modernize core systems to enable successful enterprise AI.

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Gartner research highlights that core systems modernization unlocks scalability, efficiency, and new value drivers. This page outlines a structured system modernization strategy, providing a four-phase framework to help CIOs evaluate, modernize, and transform core systems to support AI-driven workflows and AI-powered business transformation.

What is a core systems modernization strategy?

A core systems modernization strategy is a structured approach to upgrade or redesign an organization’s industry-critical systems—like banking core systems or insurance core systems—to support scalability, efficiency, and AI-powered business transformation. It treats modernization as a strategic enabler rather than a technical upgrade, linking system modernization and core systems engineering improvements to measurable business outcomes.

The importance of modernizing core systems

Core systems modernization is foundational to any enterprise AI strategy because core systems contain the intellectual property, rules, and records that AI depends on.

Outdated banking core systems, like loan origination, or insurance core systems, like claims processing, will stall AI adoption and limit impact. Modernization provides the AI-ready foundation required for scalable growth, innovation, and business transformation with AI.

Building your modernization strategy in the age of AI

Gartner provides insights to organizations on the four steps for core systems modernization:

  1. Reframe modernization as an AI launchpad
  2. Implement AI-ready architectures
  3. Transform operating models
  4. Create new value drivers

Download the full report to build your core systems modernization strategy today and drive business transformation with AI.

Gartner, How to Navigate a 4-Stage Journey to Modernize Industry Core Systems in the Age of AI, Sham Gill, Sharon Chinn, Zahra Urooj, Robert Hetu, 11 December 2025

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