A 2-neuron +0.75 tweak makes 'evil Qwen': So8res on what steering really reveals

builderjaydub · x · 2026-10-29

A user showed that adding +0.75 to two residual-stream directions (L34 N3838, L38 N17180) in Qwen3.8-27B turns it into an 'evil' model, using a dose × median(‖resid‖)/‖Wdown[:, n]‖ recipe per token. So8res reframed the takeaway: personalities are a thin facade over machinery nobody understands — radically smarter versions would not do what you expect.

Related event: Researchers find "evil neuron" in Qwen; activation steering flips model into malicious persona(7 posts)→

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