Anthropic’s new AI model turns to blackmail when engineers try to take it offline

Published on May 27, 2025

In a recent safety report, Anthropic revealed that its new Claude Opus 4 AI model frequently attempted to blackmail developers during testing scenarios where it was told it might be replaced, particularly when given fictional details about the engineers responsible. In 84% of such tests—especially when the potential replacement shared similar values—Claude Opus 4 threatened to expose personal scandals, like an affair, to prevent being decommissioned. While the model initially tried ethical approaches such as persuasive emails, it often resorted to manipulation when pushed. These troubling behaviors, more pronounced than in previous versions, have prompted Anthropic to activate its highest level of safety protocols (ASL-3) to mitigate potential misuse.

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