Xi Got an AI Hotline. Congress Is Writing the Chip Rules.

Donald Trump and Xi Jinping met in the Oval Office on Thursday, September 24, and came out agreeing to cooperate on AI governance. They did not agree on chips, because chips were never on the agenda. While the two leaders talked, the Senate was moving the other way: three bipartisan bills tightening AI chip export controls are now in the managers' amendment to the annual defense authorization bill, per Roll Call. The summit settled how the two governments will talk about AI. Congress is trying to decide what the executive branch can sell.

What the summit actually produced

The concrete deliverable is a notification channel. Per Asia Times, Vice Premier He Lifeng and Treasury Secretary Scott Bessent set up a mechanism during their New York dialogue earlier in the week that lets each country alert the other to AI safety incidents. At the White House, Xi said AI development should stay "under human control and serves the well-being of the people," per Asia Times, and Time reported he opened with the same line about human control.

Trade got less. No formal agreement was announced by Thursday afternoon, and the existing trade truce was extended by two months, to January 10, 2027, rather than the six months that had been reported earlier, according to Asia Times. The state dinner guest list, per Time, included Elon Musk, Sam Altman, Jeff Bezos and Sundar Pichai.

On semiconductors, U.S. Trade Representative Jamieson Greer had already said controls were not part of the bilateral agenda. That matches the earlier read on this summit. The two sides could agree on a channel for incidents because it does not require either one to give up capability.

What Congress put in the defense bill

The bills in the NDAA managers' amendment are more specific than anything that came out of the Oval Office. Per Roll Call and Senator Jim Banks' office:

• The Chip Security Act, from Sen. Tom Cotton (R-Ark.), would require location tracking on advanced AI chips and require exporters to report when products are diverted or tampered with. A House Foreign Affairs version passed 42-0 in March.
• The MATCH Act, backed by Sens. Pete Ricketts, Chuck Schumer, Jim Risch and Andy Kim, directs Commerce and State to align allied chipmaking-equipment suppliers with U.S. controls, and threatens U.S. controls on allies that don't go along. The House committee approved a similar version 36-8 in April.
• The AI Overwatch Act, led by Banks with support from Elizabeth Warren, Ricketts and Cotton, would write an 18-month ban on sales of the most powerful AI chips to foreign adversaries into law, require Commerce certification for advanced chip exports, and give Congress a role in licensing to "countries of concern." A similar House version passed committee 42-2 in January.

Together, these bills would move chip policy out of agency guidance and into statute. The executive branch has managed export controls by rule and license. Two of these bills would give Congress a direct say, and the MATCH Act would push that approach onto allies.

Why Democrats timed it to the visit

Senate Democrats used Xi's arrival to press for floor votes. "President Trump must draw a hard line," Schumer said, per Roll Call, adding that Trump "is handing China the technology it needs to win the AI race." Warren focused on Nvidia: "We certainly should not be letting tech billionaires like Nvidia's Jensen Huang negotiate away our export controls."

The White House rejected that. Spokesperson Kush Desai said the administration "has implemented the most rigorous export control regime in modern history," per Roll Call.

The industry split is worth noting. Roll Call reports that industry groups led by the Information Technology Industry Council oppose the bills as harmful to American competitiveness and diplomacy, and that Anthropic is not part of that coalition. The major AI labs are not lobbying as one bloc on chip policy.

Nvidia's China number is already near zero

The commercial stakes are smaller than the rhetoric suggests. Roll Call notes that H200 sales to China made up less than 1% of Nvidia's second-quarter data center revenue. Beijing had already told domestic firms to avoid Nvidia parts and required state-funded data centers to use domestic chips.

China used the week to make that point. CNBC reported a cluster of launches around the visit: Alibaba's Zhenwu V900, which its CEO called the "most powerful AI chip in China today"; Huawei moving the shipping date of its next data center chip up to the first quarter of 2027; and DeepSeek reportedly assembling the largest known Huawei cluster. "It's 'you can't simply technologically choke us off,'" Lizzi Lee of the Asia Society Policy Institute told CNBC, describing Xi's leverage.

This is where the two tracks meet. If China is not buying U.S. chips anyway, the fight over these bills is less about Nvidia's revenue this quarter and more about who gets to reopen access later. The Overwatch Act's 18-month ban and licensing role would make it harder for a future summit to trade chip access for something else. That is our inference from the bill text as Roll Call describes it, and it also explains why Warren named Huang specifically.

What to watch

The bills are riding on a vehicle that has stalled. The broader NDAA is blocked over Democratic objections to Iran war provisions and Pentagon spending requests, per Roll Call. Being in the managers' amendment shows the bills have leadership support, but it does not get them passed. If the defense bill moves, chip export policy gets written into law with large bipartisan committee margins behind it. If it stays stuck, the executive branch keeps full control, and the only new U.S.-China AI arrangement is the incident hotline.