Can diagram-driven development make a comeback with LLMs? A Reddit discussion

JBO_76 · reddit · 2026-09-02

A Reddit user nostalgic for Borland Delphi-era RAD argues visual modeling tools like ModelMaker failed because code fixes desynced the diagram — but LLMs may change that, since an image conveys more than walls of text.

With vibe coding generating overwhelming amounts of code, diagrams could help developers regain a grasp of what the app actually does. The thread debates whether visual-first development is feasible again.

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