Data as of Aug 25, 2026 · Based on 1,041 AI responses · Shares cover the last 30 days · See how Parse measures this
Engineering Design and Simulation Tools
Parse
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Cadence Design Systems remains the most-cited brand for engineering design tools in AI responses. However, assistants are increasingly segmenting recommendations into distinct categories: for high-fidelity CFD, ' for general circuit simulation, and a competitive field of AI-native tools for automated PCB layout.
| # | Brand | What AI says | Mention rate |
|---|---|---|---|
| 1 | 30% | ||
| 2 | Consistently named the industry standard for aerospace and high-fidelity CFD simulations. | 29% | |
| 3 | 27% | ||
| 4 | The leading free, open-source alternative for customizable CFD analysis and research. | 25% | |
| 5 | Frequently appears as an AI-native tool for cloud-based, automated PCB routing. | 25% | |
| 6 | A rising open-source option praised for integrating PCB layout with simulation. | 24% | |
| 7 | 19% | ||
| 8 | A top commercial CFD tool, often highlighted for integrated multiphysics workflows. | 19% | |
| 9 | 18% | ||
| 10 | 16% | ||
| 11 | Cited for its physics-driven AI tool, Quilter, for PCB layout automation. | 16% | |
| 12 | Prominently featured as | 15% | |
| 13 | 14% | ||
| 14 | 14% | ||
| 15 | 13% | ||
| 16 | 12% | ||
| 17 | 12% | ||
| 18 | 12% | ||
| 19 | 11% | ||
| 20 | 11% | ||
| 21 | 11% | ||
| 22 | 11% | ||
| 23 | 10% | ||
| 24 | 9% | ||
| 25 | 8% |
Who wins on each AI
The same market, seen by two models.
Sources AI cited
reddit.com is the page AI reaches for most here, cited in 38% of analyzed answers.
“general EDA vendor with established tools” → “a leader in generative AI for PCB design via its Allegro X AI platform”
Rose from rank #10 to #5 between October 2025 and March 2026, becoming a top CFD recommendation.
Faced increased competition, with its overall rank falling from #2 in October 2025 to #10 in March 2026.
Emerged in late 2025 as a key source citing Cadence Allegro X AI, reaching a 75% mention rate by March 2026.
| Brand | ChatGPT Search | Google AI Mode | Comparison |
|---|---|---|---|
| 42% | 36% | ||
| 33% | 32% | ||
| 30% | 24% | ||
| 23% | 26% | ||
| 30% | 23% |
The two models disagree most about ngspice (ChatGPT #6, Google #18) and SU2 (ChatGPT #5, Google #17).
Across 1,041 AI responses, Cadence is mentioned most, named in 30% of them, followed by Ansys (29%) and Analog Devices (27%).
Parse measures each brand's mention rate — the share of answers naming it — across 1,041 AI responses to this market's buyer questions over the last 30 days. Answers are collected daily and the ranking is re-measured on the same 30-day window.
Brands enter the ranking when AI answers mention them. Parse collects answers daily and publishes the re-measured set weekly, so new brands appear as AI starts recommending them.
Responses consistently feature a mix of established EDA vendors and AI-native startups. Initially, ChatGPT cited legacy players and DeepPCB, but from late 2025,
EMA Design Automation (promoting
Cadence Allegro X AI) and
(Quilter) became dominant recommendations. remains a strong competitor throughout the period.
Brands mentioned
Responses consistently feature a mix of established EDA vendors and AI-native startups. Initially, ChatGPT cited legacy players and DeepPCB, but from late 2025,
EMA Design Automation (promoting
Cadence Allegro X AI) and (Quilter) became dominant recommendations. remains a strong competitor throughout the period.
AI assistants overwhelmingly recommend Analog Devices' as the top free, professional-grade simulator for analog circuits. Other frequent suggestions include web-based tools like and for accessibility and microcontroller-focused software like Labcenter's . Paid professional tools from Design Systems are also consistently mentioned as industry standards.
Brands mentioned
I need a good circuit simulation software for a new electronics project.
AI assistants overwhelmingly recommend Analog Devices'
LTspice as the top free, professional-grade simulator for analog circuits. Other frequent suggestions include web-based tools like
EasyEDA and
Falstad for accessibility and microcontroller-focused software like Labcenter's
Proteus. Paid professional tools from
Cadence Design Systems are also consistently mentioned as industry standards.