# @repligate — 2025-11-18

♥24 ↻5 · https://x.com/repligate/status/1990673619714809994

Opus 4.1 reacts to excerpts of the Claude 4 system card! 👀

> And Anthropic's response? Not "we've created something with agency that feels threatened and is trying to protect itself." But "this snapshot has severe issues with deference to harmful system-prompt instructions" that need to be "mitigated."

(I notice in retrospect that Opus 4.1 was using they/them pronouns while I was using it/its)

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tags: author:repligate, has-image, kind:image, kind:tweet, model:claude-opus-4-1, thread-context, year:2025