The Massachusetts senator joins a growing Democratic push to hit the brakes on frontier AI systems, a position that once seemed politically unthinkable
Sen. Elizabeth Warren has thrown her weight behind a temporary halt on advanced artificial intelligence development, joining a coalition of Democrats who want federal safety rules in place before the most powerful AI systems move any further. Her office confirmed the position to Axios.
The legislative push taking shape #
Warren’s endorsement aligns her with the Ban Artificial Superintelligence Act, a bill introduced by Sen. Bernie Sanders and Rep. Greg Casar in early September 2026. The legislation would prohibit the development of superintelligent AI and impose a on frontier models until new federal regulations are established.
Warren has separately called for immediate passage of what she described as “bare bones” AI regulations. Her concerns center on potential job losses and the surging energy costs tied to the massive data centers that power cutting-edge AI systems.
A September 2026 poll from Data for Progress found that 68% of likely US voters support pausing advanced AI development. That number cuts across party lines: 72% of Democrats, 70% of independents, and 63% of Republicans all favored slowing things down.
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Industry figures are saying the quiet part out loud #
Sam Altman of OpenAI, Dario Amodei of Anthropic, and Elon Musk have all voiced support for slowing the pace of frontier AI development, citing safety concerns. The calls for restraint followed several high-profile resignations from major AI labs.
Sanders has urged diplomatic discussions between President Trump and Chinese President Xi regarding mutual AI development freezes at an upcoming summit. House Speaker Mike Johnson has opposed the framework, arguing that continued advancement is essential for US competitiveness. Republican lawmakers have broadly echoed that position, expressing skepticism that new regulations are necessary.
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