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Claude Opus 5.5 uses 95% fewer em dashes, but its answers are getting longer

·Source: BleepingComputer

Updated:

Executive Summary

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. [...]

Analysis

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. [...]
Source Attribution

Originally published by BleepingComputer on Sep 26, 2026.

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