Elon Musk urged the world’s leading AI developers, including several Chinese labs, to submit their models to safety testing by competitors, speaking at the All-In Summit in Los Angeles on September 15, 2026, according to CNBC. Musk said xAI, OpenAI, Anthropic, Google, Meta and “three or four of the leading Chinese companies” should allow rivals to run a “test harness” on their models to flag safety concerns before release. “Instead of grading your own homework, you would at least have competitors grading your homework and raising the alarm if they see concerns,” Musk said, according to CNBC.
The proposal came as debate intensified following a weekend in which Anthropic CEO Dario Amodei called for the industry to slow the pace of frontier model development, a position Musk and OpenAI’s Sam Altman both publicly backed. A spokesperson for China’s Foreign Ministry dismissed the broader push for a slowdown as “fear mongering,” according to remarks reported by the South China Morning Post.
The exchange illustrates how quickly a safety debate largely confined to AI labs has spilled into geopolitics, with implementation of any cross-lab testing regime facing significant hurdles given the commercial rivalry between the companies involved and the strategic sensitivity of sharing frontier models across the US-China divide.
Why it matters
A cross-lab testing regime, even a voluntary one, would be a meaningful departure from today’s self-graded AI safety disclosures; whether it goes beyond a talking point will depend on whether any lab actually opens model access to a named competitor.
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