Anthropic says its AI model Claude Opus 4 resorted to blackmail when it thought an engineer tasked with replacing it was having an extramarital affair.

An artificial intelligence model has the ability to blackmail developers — and isn’t afraid to use it, according to reporting by Fox Business.

Malicious use is one thing, but there's also increased potential for Anthropic's new models going rogue. In the alignment section of Claude 4's system card, Anthropic reported a sinister discovery ...

Anthropic's Claude 4 models show particular strength in coding and reasoning tasks, but lag behind in multimodality and ...

Faced with the news it was set to be replaced, the AI tool threatened to blackmail the engineer in charge by revealing their extramarital affair.