Experts find flaws in hundreds of tests that check AI safety and effectiveness
Scientists say almost all have weaknesses in at least one area that can ‘undermine validity of resulting claims’
The Guardian view on Britain’s new class divide: the professional middle is being hollowed out
Editorial: A micro-elite in finance and tech hoovers up talent while-white collar jobs lose their lustre. A society that rewards proximity to capital over contribution risks rupture
OpenAI signs $38bn cloud computing deal with Amazon
Photo Oxford review – the pictures of stinking public toilets are unmissable
In Grok we don’t trust: academics assess Elon Musk’s AI-powered encyclopedia