watsonx Code Assistant for Z

Modernize mainframe applications faster, with lower risks and costs with the purpose-built coding assistant

Accelerate Z modernization with AI

IBM® watsonx Code Assistant® for Z accelerates mainframe application development and modernization with generative AI and automation. It supports developers in every phase of lifecycle—from application discovery and analysis to automated refactoring, code explanation, generation, optimization and transformation to newer languages and testing. The outcome? Lower modernization risks, enhanced developer productivity and skill sets plus faster time to value.

Full application lifecycle support 

Access AI and automation tooling to support the end-to-end application modernization lifecycle with auto discover, refactor, transform and test.

Fine-tuned gen AI 

Use a fine-tuned large language model (LLM) for mainframe languages and use cases, improving understanding, code quality and accuracy.

Incremental approach

Minimize costs and risks with incremental modernization and dynamic refactoring. Get flexibility to use your choice of language (COBOL/Java) with interoperability

Deployment flexibility  

Deploy where you want—on premises or with hybrid cloud—to meet your unique business needs.

 

Reimagine business-critical code with AI-assisted modernization

See why Omdia says automation accelerates delivery and reduces risk for mainframe teams.

Download the report

Capabilities

Discover how IBM watsonx Code Assistant for Z streamlines mainframe application modernization and boosts developer productivity. Explore the product's key capabilties and see it in action with our interactive demo.

Explore the interactive demo
Understand Explain Generate Refactor Optimize Transform and Validate

Use cases

blue and white illustration of a circular icon with a person, browser, and mobile device.
COBOL modernization

Whether you want to understand, manage, modernize or build COBOL applications from scratch, IBM watsonx Code Assistant for Z assists you right in your IDE.

A blue graph with a grid pattern and two circles containing the words "java" and "COBOL".
Transform COBOL to Java

Expand your mainframe developer talent pool. Transform COBOL applications with confidence by using generative AI and automated unit testing.

A light blue graph with a white circle containing the number 01.
Modernize PL/I applications

Enable deep analysis of PL/I application landscape, code explanation and auto-refactoring to speed-up modernization.

Illustration showing JCL understanding
JCL understanding

Gain insights of JCL jobs with graphs to map dependencies, datasets, executed procedures and programs. Generate natural language explanations of JCL steps.

IBM z17 panel hovering on a corner
Essential enabler Streamline AI deployment on Z Accelerate your AI-powered modernization with IBM AI Optimizer for Z. It automates the setup, configuration and validation for watsonx Code Assistant for Z, helping teams deploy faster, reduce complexity and maximize infrastructure efficiency. Discover AI Optimizer for Z
Discover AI Optimizer for Z
Take the next step

Discover how watsonx Code Assistant for Z accelerates mainframe application modernization, powered by generative AI. Schedule a live demo or speak with a product specialist.

Book a live demo
More ways to explore Documentation Support Community Implementation services