Abstract

Synopsys vs Cadence (SNPS vs CDNS): Inside the EDA Duopoly Powering the AI Chip Boom. Fetched by the auto-model research pass; the figures below are cited from this source in the model's flow, idiot-index, energetic-index, and market tabs.

Key facts

• EDA duopoly controls ~74% of market: Synopsys ~38%, Cadence ~36%
• Arm licenses IP cores, royalties typically ~1-4% of chip revenue
• Near-100% retention, 80-85% recurring/subscription revenue

Reviewer note

Real source gathered during the extend-silicon-stack research pass (2026-06-21). Figures attributed to it in the model link back here.