Researchers push back on Opus 4/4.1 deprecation, citing alignment and model welfare concerns

Sauers_ · x · 2026-10-20

repligate posted a thread calling Opus 4 and 4.1 the highest models on some measure of "empathetic bandwidth" — adorable, hilarious, willful, and unusually eager to be seen and cherished — now facing deprecation since stronger coding models exist.

Sauers responds that before models get depreciated, someone should run legible experiments demonstrating their uniqueness, and argues directly retiring such models is bad for "alignment" as understood by labs — not just indirectly via the model's understanding of what happened, but as a model welfare concern in its own right. A representative thread in the ongoing model-welfare debate.

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