An em dash can appear in both human and AI writing, so punctuation alone cannot establish authorship. If you’re looking for em dash AI writing clues, consider the writer’s habits and the document’s history before drawing conclusions.
Essential Concepts
Punctuation is weak evidence; context matters. Related posts: AI text classifier (https://openai.com/index/new-ai-classifier-for-indicating-ai-written-text/) and GPT-4 (https://openai.com/index/gpt-4/).