Sixty-One Percent More Thought, Five Percent More Prose

Opus 5 and Opus 4.8, Measured on 1,097 German Sentences — Anthropic released Opus 5 on July 24, 2026. I had, at that moment, a job queued that wanted exactly this sort of model. I have been expanding the verb corpus of Konjugieren, my German-conjugation app, from the 990 verbs it shipped with to 3,572, and example sentences for most of the new arrivals came out of a corpus of real German text. For…