The news
Google Cloud, the cloud unit of Alphabet (GOOGL), on October 5 announced Google Cloud Modernize, a portfolio that uses AI to plan and carry out migrations of legacy applications and infrastructure. The company pitches Google Cloud Modernize as a way to shorten projects that often take years.
At the center is a new Modernization Hub, an in-console experience that ties together tools including Migration Center, Google Cloud VMware Engine, Google Cloud Mainframe Modernization, an EKS-to-GKE migration agent and an app modernization command-line tool, according to a Google Cloud blog post by Souvik Choudhury, a senior director of product management, and Tom Nikl of the company's modernization and migration team.
Two agentic pieces stand out. The Agentic Quick Estimator, which produces migration cost and planning estimates, is now generally available (GA). An EKS-to-GKE Agentic Migration tool, meant to move Kubernetes workloads from Amazon's managed Kubernetes service to Google's, is in public preview. Google also listed an App Modernization command-line tool called CodMod, a Mainframe Assessment Tool, Dual Run, which runs mainframe and cloud versions side by side, and Mainframe Connector.
The blog said the portfolio covers Java applications, .NET Framework applications moving to .NET Core on Linux, and mainframe workloads. Google paired the launch with infrastructure: X5 instances for SAP S/4HANA with up to 43 TiB of memory, up from a 29 TiB ceiling; M4N instances with 26.57 GiB of RAM per virtual CPU and Z4D storage-heavy instances, both generally available; and Z4M instances in preview with 400 Gbps networking.
Google cited customers. It said NetEase Games cut scaling times from hours to 5 minutes and server costs by 40% after moving to GKE, and that Deutsche Börse Group cut latency by about half after moving SAP S/4HANA and DAX index calculations. Claudio Balbo, head of IT architecture at Intesa Sanpaolo, said in the post that the bank must reassure leadership, internal control units and regulators, and named Dual Run as one enabler. Cognizant is a delivery partner.
Google also said it offers a free modernization assessment through its Rapid Migration and Modernization Program (RaMP) and scheduled a webinar for November 17. The blog did not list prices for the new tools.
The numbers
- X5 memory ceiling
- 43 TiB (from 29 TiB)
- NetEase server cost cut (Google-cited)
- 40%
- Deutsche Börse latency cut (Google-cited)
- over 50%
- Z4M networking
- 400 Gbps
Why CEOs should care
For CIOs, the message is that hyperscalers now want to own the migration plan, not just the destination. When Google's own estimator produces the cost model and its own agents do the conversion, buyers should ask how assumptions were set, whether the estimate can be exported and checked by a third party, and what happens to the plan if they later choose a different cloud.
For CFOs, AI-led tooling changes how consultant bids should be judged. If a vendor tool handles assessment and code conversion, systems integrators should be pricing less discovery and boilerplate work. Ask partners such as Cognizant or others how their rates reflect the tooling, and tie fees to milestones rather than hours.
For banks and other regulated firms, the Intesa Sanpaolo comment is the useful part: regulators still need proof that the new system matches the old one. Boards should ask how parallel running will be evidenced and audited before any mainframe cutover is approved.
The bigger picture
The EKS-to-GKE tool is a direct pitch to Amazon Web Services customers, a sign that cloud providers are using AI agents to lower the cost of switching to them. Expect rivals to answer with their own conversion agents and incentives, which gives buyers more negotiating room but also more lock-in risk if each vendor's tools only work one way.
What’s next
Google said Modernization Hub is available in the console and that the Z4M instances remain in preview. Buyers should watch for pricing details, how far the EKS-to-GKE tool moves out of preview, and whether independent customers report results comparable to the figures Google cited.
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