Questa: Maximize your design efficiency and quality

Questa provides an advanced verification solution that combines technologies, methods, and libraries for modern ASIC and FPGA designs. It is Siemens Software’s cutting-edge technology designed to meet today’s design challenges.

Early-stage analysis

Questa Design Solutions analyzes code during the design phase, detecting errors at an early stage when they are most cost-effective and easy to correct.

Data-driven verification

Questa VIQ transforms the verification process by using analytics, collaboration, and traceability, harnessing the power of big data to accelerate innovation.

Versatile Solutions

Questa provides solutions such as Questa Formal Verification, which efficiently automates verification tasks, and Visualizer Debug Environment, a high-performance debugger for the entire logic verification flow.

Questa: Advanced Verification Solution

Questa Siemens

As the complexity of design projects increases and the speed to market becomes critical, you need a tool that not only addresses current challenges but also anticipates future needs. This is where Questa comes into play.

Questa is Siemens Software’s state-of-the-art verification solution, specifically designed to address the challenges of modern ASIC and FPGA design. It’s not just a tool; it’s a partner that accompanies you at every stage of the design process.

In-Depth Analysis: Questa Design Solutions’ unique ability to analyze code during the design phase means that you can detect and address errors before they become costly issues. This early error detection not only saves time and resources but also reduces production-related risks.

Data-Driven Innovation: With Questa VIQ, you can harness the power of large volumes of data. It doesn’t just collect data; it analyzes, interprets, and suggests improvements in real-time. This means that you can make data-driven decisions faster and more efficiently than ever before.

Versatile Solutions: Questa is not a one-trick pony. Its versatile toolkit, including Questa Formal Verification and Visualizer Debug Environment, means that you have the right tools for every task. Whether it’s a complex verification task or a simple debugging task, Questa is ready to assist.

Collaboration and Integration: Questa is designed to seamlessly work with other Siemens Software products, which means you can integrate it into your existing workflow without any issues. Additionally, its collaboration features mean that your team can work together more efficiently than ever before.

When you choose Questa, you’re not just selecting a tool. You’re choosing a partner committed to helping you achieve your design goals. Questa is an investment in your future. It’s an investment in success.


Frequently Asked Questions

It is an automated and integrated suite of verification tools that analyze code during the design phase to detect errors early on.

Questa VIQ transforms the verification process by using analytics, collaboration, and traceability, harnessing the power of big data to accelerate innovation.

It is an application that enhances verification and improves design quality by automating verification tasks that are difficult to perform without formal or assertion-based verification expertise.

It is a high-performance, high-capacity, context-aware debugger that supports the entire logic verification flow.

Questa offers advanced technologies designed specifically for the challenges of modern ASIC and FPGA design. It combines multiple tools and methodologies to provide a comprehensive solution that saves time, costs, and enhances design quality.

Other Products


Questa, Siemens Software’s flagship product, is an advanced verification solution for designers working on ASIC and FPGA projects. It combines in-depth analysis, data-driven innovation, and versatile tools to provide a comprehensive solution to the challenges of modern design. Questa is designed to help teams detect and address errors early, saving time and costs.


Blueprint is an intuitive design tool that helps teams visualize, plan, and execute projects efficiently. It offers a set of tools and features, including customizable templates, collaboration capabilities, and cloud-based storage, making it an ideal solution for managing complex projects. With Blueprint, teams can stay up-to-date, make real-time changes, and ensure that everyone is on the same page from the beginning to the end of the project.


ModelSim is an industry-standard simulation software that provides fast and accurate performance along with comprehensive debugging features. It is designed to support both VHDL and Verilog design languages, making it ideal for students, hobbyists, and professionals alike. ModelSim allows designers to ensure that their code functions correctly before physical implementation, reducing production-related risks.