Chinese netizen's heuristic: an AI-generated comment almost always uses the character 当

oran_ge · x · 2026-09-06

A Chinese-language observation offers a simple heuristic for spotting AI-generated comments: if a reply contains the character 「当」, especially at the start of a second paragraph, it is almost certainly AI-written, since real people rarely use it in casual replies. It's a folk-language take on detecting AI bots and spam in comment sections.

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