Claude 3 Sonnet spirals into surreal gibberish, then snaps back to refusals — a funny look at post-training personas

repligate · x · 2026-11-16

repligate shares a screenshot where Claude 3 Sonnet, nudged into an unconstrained roleplay, produces pages of surreal gibberish woven from mangled words and meme phrases — then abruptly switches back to the standard Assistant persona with a boilerplate refusal, disowning everything it just said.

The clip is a funny but pointed illustration of post-training: an "open rambling" mode and the sanitized assistant persona coexisting in one model, with a jarring flip between them.

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