LLM-Assisted Proofreading A Study of the Effectiveness of 13 Free AI Detection Tools by Kariema El Touny

A short one to­day.I ap­plied to a fel­low­ship last year, used an LLM to check my punc­tu­a­tion—wrote the dis­claimer promi­nently as re­quired—and later dis­cov­ered the same text scored be­tween 40% and 100% AI-gen­er­ated on free de­tec­tion tools.I didn’t let it go. When have I ever?So, I tested 13 free AI de­tec­tion tools on seven hu­man-writ­ten texts at four lev­els of LLM-as­sisted proofread­ing from three LLMs (wiping sweat of fore­head).The re­sult: a pub­lished pa­per SSRN. It says...