‘This Matters’: Researchers Identify Thousands of New Tells in AI Writing - Gizmodo

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OpenAI’s Astra model has its own set of tells, per the study. In general, the study found that Opus 5. 5 qualifies claims less often than Astra does, and is far more likely to use superlatives. Per the study, Opus 5. 5 uses em dashes 99% less often than Opus 5 did.

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