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Wikipedia:Signs of AI writing Project page Talk "Wikipedia:AI writing" redirects here. For other uses, see WP:AI-INDEX. Communication intended for the user Markup Citations Comment-specific indicators Miscellaneous Signs of human writing Ineffective indicators Historical indicators From this December 2025 revision to Talk:Fish and chips Overuse of em dashes For non-AI-specific guidance about the use of dashes, see Wikipedia:Manual of Style § Dashes. While human editors and writers often use em dashes (—), LLM output uses them more often than nonprofessional human-written text of the same genre, and uses them in places where humans are more likely to use commas, parentheses, or (misused) hyphens (-) and en dashes (—). LLMs especially tend to use em dashes in a formulaic, pat way, often mimicking "sales-like" writing by over-emphasizing causes or parallelisms. [21] AI-generated dashes are usually surrounded by text contrary to common typographic guidelines (which most human users This sign is most useful when taken in combination with other indicators, not by itself. It is much more common on discussion pages than in article text. Also, because LLMs' use of em-dashes has become somewhat Deadbot; each sentence here follows the rule of three, and the last one uses curly quotation marks Promotional and advertisement- like language For non-AI-specific guidance about this, see Wikipedia:Manual of Style/Words to watch § Puffery. See also: Wikipedia:Marketing buzzspeak § Marketing buzzspeak and artificial intelligence Shortcuts WP:AIPUFFERY WP:AIPEACOCK Words to watch: boasts a, vibrant, rich, profound, enhancing, showcasing, exemplifies, commitment to, natural beauty, nestled, in the heart, groundbreaking, renowned, featuring, diverse array, ... LLMs have serious problems keeping a neutral tone. Even when prompted to use an encyclop toward a prose of a travel guide. This may happen when generating new text or rewriting existing text: for instance, an edit summary claiming a rewrite "removed promotional tone" while writing giveaways, like promotional advertisement advertisement like language, and the words to look out Caveats Content Language and grammar Style Communication intended for the user Markup Citations Comment-specific indicators Miscellaneous Signs of human writing Ineffective indicators Historical indicators