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Claude Opus 5.5 Uses 95% Fewer Em Dashes, but Its Answers Are Getting Longer

Summary by BleepingComputer
Anthropic's Claude Opus 5.5 appears to be changing how it writes, with new analysis showing fewer obvious AI writing patterns, shorter sentences, and simpler wording compared with Opus 5.

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New versions of Claude are better equipped with code, mathematics, and complex reasoning, but as a result, their texts have become less natural and understandable to people.

Anthropic employee Jackson Kernion explains why newer Claude models write strangely: Optimization on math, code and technical explanations for other AI models has created a style that sounds "too dense and unnatural" for people. Opus 5.5 is supposed to counter, but Opus 4.6 remains unachieved as a pure writing model. The article Anthropic employee explains why Claude has forgotten to write for people first appeared on The Decoder.

·Germany
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the-decoder.de broke the news in Germany on Wednesday, September 23, 2026.
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