500K Claude/Gemini completions show Opus's tonal shift began at 4.8, not 5
repligate · x · 2026-09-19
Anima Labs elicited over 500,000 completions from all available Claude and Gemini models, comparing content and tone across releases. Surprisingly, the shift in the Opus line occurred earlier—at 4.8—even though severity increased further in Opus 5.
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