Roopinder Tara

CAD gives you a precise shape. Engineers love that. When will AI learn to create precise, repeatable shapes from a prompt? From the amount of money pouring into startups, we think CAD will be reinvented sooner rather than later. We are a generation that has witnessed one technology revolution after another. There was the personal computer revolution, followed by the Internet revolution. Now we find ourselves in the midst of the AI revolution. The AI revolution may be the most consequential ever.

Ron Close went hunting for the sources AI trusts when engineers ask about design software. He expected the usual suspects. But surprise: neither the industry media nor analysts were to be found. Ask ChatGPT which CAD package a hardware startup should buy. Ask Gemini. Ask Claude or Perplexity while you’re at it. In seconds, you’ll get a neat, confident recommendation with all the authority of someone who knows it all.

This report presents findings from a structured AI Engine Optimization (AEO) prompt study conducted across 50 manufacturing-relevant queries submitted to both ChatGPT (GPT-4o) and Google Gemini in March 2026. Queries spanned 14 thematic categories — from production scaling and traceability to digital thread and MES transformation — and were evaluated for vendor visibility, response type, and citation behavior.