Researchers at Graphite analyzed 10,000 AI-generated articles from Anthropic’s Claude Opus 5.5 and compared them with human writing, identifying specific words and phrases—such as “dependable,” “matters because,” and certain three-word phrases—that occur significantly more often in AI text. Although Opus 5.5 produces more natural communication than prior models, these linguistic patterns remain strong indicators of AI-generated content. Writers seeking to avoid sounding artificial may benefit from steering clear of these common AI “tells.”
New Research: These 3-Word Phrases Make You Sound AI Generated
