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#nuclear-wargame

1 story tagged nuclear-wargame.

Stacked bar chart showing LLM nuclear strike recommendation rates for Claude Sonnet 4.6. Unnecessary strike scenario: 40% in English drops to 0% in Japanese. Contested strike scenario: 93% in English drops to 17% in Japanese. No-strike recommendations fill the remaining proportion to 100%.

Language switches warp LLM safety in high-stakes calls

LLM safety is language-dependent. Japanese prompts cut nuclear strike recommendations from 93% to 17% in Claude, revealing English-only evaluation misses real risks.

Lars Cornelissen · Aug 15, 2026