LLM cliché highlighter

Simon Willison · Simon Willison · 2026-07-17

Simon Willison releases a browser app that highlights ten common clichéd writing patterns associated with LLM-generated text, built using Fable 5 vibe coding after frustration with AI writing in online articles.

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Appears in

AI-Assisted Coding Culture: Landmark Rewrites, PR Description Backlash, and Prompting Debates

Extraction

Topics: llm-generated-textdeveloper-toolswriting-qualityai-detection

Claims

LLM-generated writing has recognizable clichéd phrases such as 'no fluff, no filler, no jargon' that signal automated authorship.
Willison used Fable 5 to vibe code a browser-based tool that highlights ten patterns characteristic of LLM writing.
The tool is designed to help readers identify AI-generated writing patterns in articles they encounter online.

Key quotes

I got frustrated reading yet another article that was crammed with the clichés of LLM-generated writing - 'no fluff, no filler, no jargon' type stuff - so I had Fable 5 vibe code up this app for highlighting ten common patterns that show up in that sort of writing.