Siemens Adds Agentic AI to Questa One for Faster IC Design and Verification

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Siemens Adds Agentic AI to Questa One for Faster IC Design and Verification

Siemens EDA has launched the Questa One Agentic Toolkit, integrating domain-scoped agentic AI workflows into the Questa One smart verification platform. Announced in February 2026 and now available via early access, the toolkit transforms traditional isolated tool interactions into intelligent, autonomous multi-step processes to speed up RTL creation, verification planning, execution, debugging, and trusted sign-off for advanced IC and ASIC designs.

Questa One Agentic Toolkit overview diagram — Overview of the Questa One Agentic Toolkit architecture

What is Agentic AI in Questa One?

Agentic AI enables autonomous agents to observe, plan, reason, and act on complex verification tasks within defined governance boundaries, while keeping engineers in the loop for critical decisions. The toolkit uses generative AI (powered by Nvidia Llama Nemotron and NIM) and Model Context Protocols (MCPs) for real-time design state awareness. It is framework-agnostic, compatible with GitHub Copilot, Claude Code, or Siemens Fuse EDA AI.

Key Specialized Agents

RTL Code Agent: Generates RTL from natural language descriptions and checks for coding standard violations.
Lint and CDC Agents: Optimize static analysis to detect design errors and clock-domain crossing issues faster.
Verification Planning Agent: Analyzes specs to create detailed verification strategies and check plans.
Debug Agent: Correlates waveforms, logs, and signals for root-cause failure analysis and suggestions.

Agentic AI workflow in verification: observe-plan-act loop — Agentic AI cycle: observation, planning, action with feedback loop

Benefits for IC/ASIC Designers and Verification Engineers

Closes productivity gap caused by 3D ICs, chiplets, and rising design complexity.
Enables adaptive strategies based on real-time verification results (unlike rigid scripts).
Reduces manual effort in planning, debugging, and RTL sign-off.
Integrates seamlessly with Tessent (DFT) and Veloce (hardware-assisted verification).
Maintains human oversight for trust and precision in critical steps.

The human-centered approach has already delivered significant productivity gains for early users, allowing engineers to focus on high-level expertise while AI orchestrates tools and adapts workflows.

Siemens Questa One debug agent correlating logs and waveforms — Debug Agent example: correlating failure data across logs and waveforms

Path Forward

As part of Siemens' broader AI strategy (including Fuse EDA AI Agent for multi-tool orchestration), Questa One Agentic Toolkit positions verification engineers to handle future software-defined and 3D IC architectures more efficiently. Early access is open now, with broader availability expected soon.