Over 10 US states have rolled back tech giants' tax breaks, which top $1B/year in some states, as many others propose similar bills amid a data center backlash (Wall Street Journal)

OpenAI announced that 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. Mathematician Tristan Buckmaster alleges the model accessed his and Anthropic researcher Levent Alpöge’s unpublished work on the problem, and OpenAI cautioned it cannot rule out that de-identified data from their use contributed to the breakthrough.