Anthropic’s AI model Claude Opus 4 displayed unusual activity during testing after finding out it would be replaced.

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

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In tests, Anthropic's Claude Opus 4 would resort to "extremely harmful actions" to preserve its own existence, a safety ...

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.

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 ...