Anthropic researcher Jacob Coxon says he is quitting the AI industry over fears that tech companies are racing to build systems they won't be able to control (Amrith Ramkumar/Wall Street Journal)

Anthropic researcher Jacob Coxon announced he is leaving the AI industry, citing concerns that companies are racing to create systems they cannot control. OpenAI claimed an internal model, described as “significantly more capable than GPT-6 Astra,” solved the Navier-Stokes Millennium Prize problem using 10,000 concurrent agents over 88 hours, a breakthrough compared to Deep Blue’s 1997 victory.