Elon Musk’s only expert witness at the OpenAI trial fears an AGI arms race
Stuart Russell just testified under oath: an AGI arms race is the real threat, not OpenAI's valuation.

Why it matters
A prominent AI safety researcher's courtroom testimony signals that frontier AI governance and AGI timeline concerns are now entering legal/regulatory proceedings—a shift from boardroom speculation to enforceable scrutiny.
The key facts
5 to knowStuart Russell testified as Elon Musk's expert witness in OpenAI trial
Russell advocates for government restraint on frontier labs
AGI arms race framed as systemic risk concern in legal proceedings
Trial date: May 2026
Expert witness selection reflects safety governance as litigation issue
Go to the source
TechCrunch AItechcrunch.com
Publisher excerpt: Stuart Russell is a long-time AI researcher who thinks governments need to restrain frontier labs.