Which Design Doc Did a Human Write?
Summary
Michael Lynch compares handwritten vs AI-generated design docs (Claude Opus 4.6 and GPT-5.4) for the same open-source web app, analyzing how readers distinguish human from AI writing and what AI tends to miss in design contexts. The piece covers telltale cues like personal anecdotes, pacing, and licensing choices, plus reader responses and implementation details of the Little Moments project.