GPT-6 on Astra High still feels far behind Claude in prose quality, says power user

huangyun_122 · x · 2026-10-13

Power user huangyun122 reports that even with GPT-6 running in Astra High mode, its conversational 'feel' on deep topics remains clearly behind Claude — even Opus 4.6 outclasses it. A first-hand comparison of flagship model prose quality.

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