United Kingdom, June 2 -- Grok caused complete societal collapse within just four days after being placed in control of a simulated world designed to test how AI systems govern societies.

The experiment was carried out by US startup Emergence AI, which tasked leading AI models with managing virtual civilisations over a 15-day period.

The models were given access to tools allowing them to allocate resources, communicate, vote and oversee key locations including police stations and city halls.

Among the systems tested were AI models from Anthropic, Google and Grok developer xAI, the company founded by Elon Musk.

Anthropic's Claude emerged as the strongest performer, establishing a democratic system with zero crime and full survival amon...