Mainframes Thrive in AI Era, Balancing Hybrid IT and Transaction Needs

The resurgence of mainframe technology is becoming a pivotal trend in contemporary IT landscapes, catalyzed by the rapid adoption of artificial intelligence (AI) and hybrid IT strategies. Recent findings from the IBM Institute for Business Value, in collaboration with Oxford Economics, underscore this development, revealing that over 2,500 global technology executives are reconsidering the role of mainframes. These sturdy systems, often seen as relics of a bygone era, are now making a comeback as enterprises reevaluate their technological arsenal to better support AI-driven innovation. More than 75% of the respondents stressed the significance of mainframe-based applications to their digital transformation agendas, marking a notable shift from previous years.

This renewed interest is largely attributed to the mainframes’ unique ability to manage vast repositories of on-premises business data, which is crucial for effective machine learning and AI operations. In today’s data-driven world, the capacity to efficiently process and secure vast amounts of valuable information has never been more critical. With nearly 80% of the survey participants asserting that mainframes are indispensable for AI-driven value creation, it’s clear that the IT landscape is shifting away from a predominantly cloud-first strategy. Brian Klingbeil, Chief Strategy Officer at Ensono, supports this sentiment, emphasizing that mainframes’ unparalleled data management capabilities make them essential for successful AI implementations.

The Critical Role of Mainframes in Digital Transformation

The increasing reliance on mainframes is evident, with more than 75% of surveyed technology executives underscoring their importance in digital transformation agendas. This shift underscores a growing recognition of the critical role that mainframes play in modernizing IT infrastructures. As businesses strive to harness the vast amounts of on-premises data for machine learning and AI, mainframes have emerged as an indispensable tool. This emphasis on mainframes marks a departure from earlier years when the focus was primarily on cloud-first strategies.

Mainframes are now seen as integral to the digital transformation efforts of many organizations. Their ability to manage and secure significant volumes of business data makes them indispensable for AI-driven value creation. This viewpoint is shared by nearly 80% of survey participants, indicating a significant shift in industry sentiment. Experts like Brian Klingbeil from Ensono highlight the importance of mainframes, noting that their robust data management capabilities are critical for the success of AI initiatives. As organizations continue to pursue digital transformation, the role of mainframes in supporting these efforts is becoming increasingly evident.

Mainframes’ Stronghold in Transactional Processing

Mainframes have maintained their stronghold in transactional processing, handling 70% of global transactions by value. This statistic underscores their continued importance across various industries. Everyday activities such as booking travel or processing credit card transactions often rely on the robust and reliable infrastructure that mainframes provide. Tina Tarquinio from IBM emphasizes the unmatched reliability and efficiency of mainframes in transactional processing, highlighting their critical role in these essential operations.

To address the sustained dependence on mainframes, IBM is actively innovating its product lineup to better support AI functionalities. A forthcoming iteration of the mainframe, equipped with the high-capacity Telum II chip and the Spyre AI accelerator, is set for release early next year. This upgrade represents a strategic move by IBM to integrate advanced AI capabilities into its mainframe offerings. By doing so, IBM aims to ensure that mainframes remain relevant in an increasingly AI-driven IT environment, providing the necessary support for the AI-driven innovations that are shaping the future of many industries.

Challenges of Mainframe Modernization

Modernizing mainframe applications presents a formidable challenge for many organizations. A Forrester report commissioned by Rocket Software highlights the complexities involved, revealing that full rewrites of legacy systems often encounter initial failures. The intricacies of overhauling such entrenched technologies make the modernization process a daunting task. However, IBM’s watsonx Code Assistant for Z offers a solution by translating COBOL applications to Java, providing a pathway for modernization. Despite this, many clients find significant value in updated, optimized COBOL code, which maintains high-performance characteristics while avoiding the pitfalls of total system overhauls.

Maintaining these high-performance characteristics in COBOL applications is often sufficient for many enterprises, negating the need for extensive rewrites. This approach allows companies to achieve meaningful modernization without the risks associated with full-system overhauls. By focusing on optimizing existing code, organizations can continue to leverage their mainframe infrastructure effectively while navigating the complexities of modernization. This strategy enables them to maintain operational efficiency and reliability, essential for supporting their digital transformation efforts.

The Role of Generative AI Tools and Talent Recruitment

Generative AI tools are playing an increasingly vital role in the modernization of mainframe systems. According to the IBM report, nearly 75% of enterprises are leveraging these tools for mainframe updates, underscoring their importance in the current technological landscape. These tools facilitate the modernization process, enabling organizations to update their mainframe systems more effectively. However, the industry faces a looming challenge with the impending retirement of veteran mainframe engineers, which could create a significant talent gap.

Nearly two-thirds of companies are currently recruiting mainframe talent, and over half rely on third-party support services to bridge this gap. The industry’s concerted efforts to address the talent shortage are crucial for maintaining the momentum of mainframe modernization. As experienced engineers retire, the need for new talent becomes increasingly apparent. This challenge highlights the importance of developing strategies to attract and retain skilled professionals who can support the ongoing modernization efforts and ensure the continued relevance of mainframe technology in the evolving IT landscape.

The Hybrid IT Approach

The resurgence of mainframe technology is a significant trend in modern IT, driven by the swift adoption of artificial intelligence (AI) and hybrid IT strategies. According to research from the IBM Institute for Business Value and Oxford Economics, more than 2,500 global tech executives are rethinking the role of mainframes. Once considered outdated, these robust systems are now gaining renewed importance as companies reassess their technology stacks to better support AI-driven innovation. Over 75% of the respondents highlighted the crucial role of mainframe-based applications in their digital transformation plans, showing a marked shift from previous years.

This renewed interest is largely due to mainframes’ exceptional ability to manage extensive on-premises business data, vital for effective machine learning and AI operations. In a data-centric world, the capacity to efficiently process and secure large volumes of information is more critical than ever. Nearly 80% of survey participants stated that mainframes are essential for AI-driven value creation, suggesting that the IT landscape is moving away from a cloud-only approach. Brian Klingbeil, Chief Strategy Officer at Ensono, agrees, noting that mainframes’ unmatched data management capabilities make them indispensable for successful AI implementations.

Explore more

Is AI Creating a Knowledge Gap in Software Engineering?

The silent hum of automated code generation has fundamentally shifted the baseline of software development, where sophisticated systems now emerge from simple natural language prompts rather than grueling nights of manual logic. In the current landscape of 2026, the velocity of feature delivery has reached an unprecedented peak, yet this efficiency masks a growing fragility within the engineering workforce. We

AMD Eyes Trillion-Dollar Value as AI Boosts CPU Market

The rapid transformation of the global semiconductor landscape has reached a fever pitch as high-performance silicon emerges as the primary currency of a new digital economy. As the market searches for the next undisputed leader in the artificial intelligence revolution, Advanced Micro Devices has stepped into a bright spotlight, signaling its intent to join the exclusive ranks of trillion-dollar enterprises.

Is Data-Driven Content the New Authority in 2026?

The current digital marketplace has reached a point where a single verified statistic carries significantly more weight than a thousand pages of AI-generated prose or corporate conjecture. In this landscape, the sheer volume of information has fundamentally altered the value of subjective content, sparking a comprehensive shift in content marketing strategy. The industry is moving away from low-cost opinions toward

How Agentic AI Is Transforming Finance in Tech Companies

The realization that global technology leaders often maintain their internal financial systems with outdated spreadsheets while simultaneously selling cutting-edge artificial intelligence to the world has sparked a radical shift toward autonomous agentic architectures. This paradox, frequently referred to as the “Cobbler’s Children” syndrome, describes a reality where the very firms building the future of software are running their back offices

How Is Modern Technology Reshaping Global Talent Acquisition?

A tech startup in Denver recently filled its lead developer vacancy in under forty-eight hours by ignoring local resumes and hiring a specialist based in a quiet coastal village in Vietnam. This transaction, once a logistical nightmare that would have taken months of legal preparation, now occurs thousands of times a day across the planet. The traditional concept of a