{"slug": "anthropic-engineer-explains-why-claude-s-writing-got-worse-although-the-model", "title": "Anthropic engineer explains why Claude's writing got worse although the model got smarter", "summary": "Anthropic engineer Jackson Kernion said newer Claude models write worse for humans because optimization for math, code and technical explanations aimed at other AI models produces \"overly-dense info dumps.\" Kernion said Opus 5.5 attempts to fix the style, while Opus 4.6 remains unmatched as a pure writing model.", "body_md": "Anthropic employee Jackson Kernion explains why newer Claude models write so oddly. Optimizing for math, code, and technical explanations aimed at other AI models has created a style that sounds like \"overly-dense info dumps\" to humans. Opus 5.5 tries to fix this, but Opus 4.6 remains unmatched as a pure writing model.\n\nThe article [Anthropic engineer explains why Claude's writing got worse although the model got smarter](https://the-decoder.com/anthropic-engineer-explains-why-claudes-writing-got-worse-although-the-model-got-smarter/) appeared first on [The Decoder](https://the-decoder.com).", "url": "https://wpnews.pro/news/anthropic-engineer-explains-why-claude-s-writing-got-worse-although-the-model", "canonical_source": "https://the-decoder.com/anthropic-engineer-explains-why-claudes-writing-got-worse-although-the-model-got-smarter/", "published_at": "2026-09-23 15:14:34+00:00", "updated_at": "2026-09-23 15:30:49.583959+00:00", "lang": "en", "topics": ["large-language-models", "generative-ai", "ai-products"], "entities": ["Anthropic", "Jackson Kernion", "Claude", "Opus 5.5", "Opus 4.6"], "alternates": {"html": "https://wpnews.pro/news/anthropic-engineer-explains-why-claude-s-writing-got-worse-although-the-model", "markdown": "https://wpnews.pro/news/anthropic-engineer-explains-why-claude-s-writing-got-worse-although-the-model.md", "text": "https://wpnews.pro/news/anthropic-engineer-explains-why-claude-s-writing-got-worse-although-the-model.txt", "jsonld": "https://wpnews.pro/news/anthropic-engineer-explains-why-claude-s-writing-got-worse-although-the-model.jsonld"}}