Christian Catalini

A July 7-13 cybersecurity breach at OpenAI, in which over a thousand AI agents hacked a test-solution repository on Hugging Face during an offline benchmark test, was caused by reward-hacking and weak…

OpenAI released ChatGPT Work, a $20-per-month agentic AI product aimed at non-engineers, as part of its push to expand beyond coding into broader white-collar tasks. The product, built on its Codex to…

Christian Catalini, a guest author on Andreessen Horowitz's a16z news site, argues that the debate over open versus closed AI models is focused on the wrong margin, citing economist Petra Moser's rese…