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Anthropic engineer explains why Claude's writing got worse although the model got smarter

Image: The Decoder

An Anthropic engineer explains that recent Claude models' writing style has become denser and more technical due to optimization for math, code, and other AI-oriented tasks. Opus 5.5 attempts to address this, but Opus 4.6 remains the preferred choice for pure writing quality.

Why it matters

Understanding trade-offs in model optimization reveals that improving capabilities in technical domains can affect general usability and writing naturalness for humans.

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