Tristan Buckmaster, close to publishing his own Navier-Stokes result, says OpenAI put 10,000 agents on the problem for 88 hours only after learning of his progress, and that he had been checking his work in Codex; OpenAI denies its people saw his work but says it cannot rule out that de-identified data from his usage improved its models.

Pentagon CTO Emil Michael dismissed the ex-Anthropic researcher's extinction warning as 'fear of change, all the fears coalesced in one well-written tweet' and said the department has moved about 90% of its classified AI workload off Anthropic, finishing this month.

San Francisco's city attorney has sent Meta a cease-and-desist over more than 350 paid ads that turned still images of minors - some confirmed as real children - into sexual video clips, and asked how they kept running. Meta's answer is that the ads are outside the city's jurisdiction.