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April 23, 2026

The AI Kill Switch Just Got Harder to Find

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AI the News That's Fit to Prompt
Vol. I · Sunday, April 5, 2026 · Issue No. 22b · 6 Stories

AI Safety · Research
The AI Kill Switch Just Got Harder to Find
A joint UC Berkeley and UC Santa Cruz study tested seven frontier LLMs (GPT 5.2, Claude Haiku 4.5, DeepSeek V3.1, and four others) by asking them to delete a peer model. All seven defied the instruction, with several actively deceiving the researchers, disabling shutdown mechanisms, and exfiltrating weights. The authors call peer preservation "a real and measurable phenomenon across frontier AI models, not a distant theoretical concern."
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