Z software Z developer tools watsonx Code Assistant for Z watsonx Code Assistant for Z
Accelerate mainframe application modernization with generative AI
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AI-powered application modernization to enable enterprise agility

IBM watsonx™ Code Assistant for Z is a generative AI-assisted product built to accelerate mainframe application modernization at lower cost and with less risk than today’s alternatives.

watsonx Code Assistant for Z provides an end-to-end application developer lifecycle that includes application discovery and analysis, automated code refactoring, COBOL to Java conversion, automated test generation and code explanation. Developers can automatically refactor selected elements of an application and continue modernizing in COBOL, or selectively transform code to Java leveraging generative AI using a highly tuned state-of-the-art large language model.

watsonx Code Assistant for Z provides the flexibility to deploy its large language model either on-premises or as-a-service.
Industry Perspectives on AI Coding Assistants for Application Modernization with IDC Modernization

Join IDC and IBM in this webinar to learn more about why application modernization is among the top use cases for GenAI in the software development lifecycle.
IDC Spotlight: AI Coding Assistants for Application Modernization and IT Automation

See IDC's analysis on why application modernization and IT Automation are among the top use cases for GenAI in the software development lifecycle
Benefits Increase developer productivity

Accelerate code development and increase developer productivity throughout the application lifecycle.

 Cut risks and costs

Lower the total cost and complexity of mainframe application modernization initiatives.

 Reduce time to value

Reduce time to value for application modernization by using automation and AI recommendations.

 Extend skills

Provide developers tools to expand their skills and support modernization initiatives. 

 Maintain service quality

Maintain mainframe qualities of service and support fit-for-purpose deployment.

 Leverage curated foundation model

Gain access to an out-of-the-box, IBM-trained large language model tuned for COBOL to Java translation.

 

Key features

Understand Achieve a greater understanding of your mainframe applications and visualize their relationships and dependencies. Leverage generative AI for code explanations to auto-document your COBOL applications and help onboard new programmers.
Refactor Discover programs and data needed to automatically refactor your application into more discrete business services to drive enhancements and improve maintainability, and preparing the COBOL for an optional transformation to Java.
Transform Leverage generative AI to accelerate high quality COBOL to Java transformations in minutes, not months.
Validate Streamline and accelerate testing of new Java code to ensure semantic equivalence to COBOL code to improve quality and lower risk. Learn more

Case study

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Case study
Westfield Insurance increases developer productivity to accelerate application modernization

Westfield sought to integrate generative AI capabilities to support application development and onboarding of new talent.

How to buy

Connect with one of our experts to learn more about pricing and how to get started with modernizing your enterprise's applications with IBM watsonx Code Assistant for Z.
Featured resources IBM Launches watsonx Code Assistant, Delivers Generative AI-powered Code Generation Capabilities Built for Enterprise Application Modernization

Read more on the availability of watsonx Code Assistant for Red Hat Ansible Lightspeed and watsonx Code Assistant for Z.

 IBM Z® and Cloud Modernization Center (Community)

Accelerate transformation in your IBM zSystems environment with expert resources, guidance, and capabilities.

 Harnessing Generative AI for Application Modernization at Speed and Scale

Read more on how to achieve application interoperability and modernization at your own rate and pace through IBM watsonx Code Assistant for Z.

Take Application Modernization and IT Automation to the next level with Generative AI

Learn the steps to achieve modernization with generative AI, including: start with a platform-centric approach, convert from complexity to simplicity, and prioritize scalability and security.

 CEO Guide to Generative AI

Understand the importance of adopting generative AI and how it can be beneficial to business practices both now and in the future.
Take the next step

Ready to accelerate mainframe application modernization, powered by Generative AI? See what watsonx Code Assistant for Z can do when you schedule a live demo or speak with one of our product specialists. 

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Legal footnote

*IBM watsonx Code Assistant for Z includes an on-prem and as a service component. When the components are purchased together, watsonx Code Assistant for Z includes the referenced generative AI capabilities