Design systems

All four engines that answered back the same core set: Material Design, Apple Human Interface Guidelines and Carbon appear in every answer. The rest of the lists differ only at the edges.

ChatGPT, Copilot, Gemini and Google AI Mode all back the same audit, tokens, core components route, with no engine dissenting on the steps. Gemini and Google AI Mode add securing buy-in first, and Perplexity gave no answer in this run.

All five engines give essentially the same definition: a shared set of reusable components, standards and documentation for consistent products. No engine dissents.

All five engines point to SketchUp (Perplexity, ChatGPT, Gemini, Copilot, Google AI Mode) as the program behind Joanna Gaines's Fixer Upper designs. ChatGPT and Google AI Mode caution that no official confirmation exists, and only Copilot adds Chief Architect as a main tool.