China's government has blocked Meta's roughly $2 billion acquisition of AI startup Manus, ordering the parties to unwind the deal and exposing how far the US-China tech decoupling has progressed. The National Development and Reform Commission, China's top macroeconomic regulator, announced the decision on Monday, citing concerns that Manus still relied on Chinese talent and technology despite relocating to Singapore.

Why Did China Block This Deal?

On the surface, Manus looks like a typical startup acquisition. The company, founded in Beijing, developed AI agents that its creators promised were "truly autonomous." Meta saw strategic value in the deal and announced the acquisition in December 2025, planning to shut down Manus's China operations.

But the timing and location tell a different story. In July 2025, Manus moved its headquarters from Beijing to Singapore, a move that raised immediate red flags in Beijing. Chinese authorities quickly signaled they would review the deal, noting that the startup's founders still had deep ties to China and that the company continued relying on Chinese talent and technology. The Chinese government even barred the two Manus cofounders from leaving the country, according to reporting from the Financial Times.

The relocation to Singapore appears to have been a deliberate strategy to distance the company from Chinese regulatory scrutiny while potentially gaining access to advanced AI processors from companies like Nvidia, which are subject to US export controls. However, Beijing viewed this as what some observers call "Singapore-washing," an attempt to evade Chinese oversight through a jurisdictional shell game.

How Are Both Superpowers Using Deal-Blocking as a Geopolitical Tool?

China's move against Manus is part of a broader pattern. Beijing has developed an expanding toolkit of legal mechanisms to pressure foreign companies and block acquisitions, largely in response to US sanctions, export controls, and investment bans. Chinese officials have previously probed deals involving Intel and Nvidia on antitrust grounds, and the country has steadily expanded its own use of export controls, particularly regarding rare earth minerals.

The US has its own restrictions in place. American rules largely bar investment into China's AI sector, and the US Treasury Department previously probed Manus funding that included Silicon Valley firm Benchmark.

This tit-for-tat dynamic reflects a fundamental shift in how both nations approach technology competition. Rather than competing solely on innovation, they are now using regulatory and legal tools to prevent strategic technologies from crossing borders. The result is a hardening divide in the global AI ecosystem.

Steps China Is Taking to Control AI Investment and Development

• Deal Review Requirements: Beijing is considering rules that would require Chinese AI companies to get government approval before seeking US investment in funding rounds, according to Bloomberg reporting.
• Founder Restrictions: Chinese authorities have barred Manus cofounders from leaving the country, a tactic Beijing routinely uses when investigating potential violations.
• Regulatory Precedent: Chinese officials have previously derailed major deals and IPOs when companies ignored or criticized Beijing's regulatory approach, including Ant Group's failed IPO in 2020 and Didi's forced delisting after its New York IPO in 2021.

These moves put Chinese AI founders in an impossible bind. If they remain in China, they lose access to US funding and advanced computer chips. But if they relocate overseas, they risk inviting scrutiny from Beijing if they pursue public markets or seek acquisition by foreign companies.

Meta's statement on the blocked deal was measured. "The transaction complied fully with applicable law. We anticipate an appropriate resolution to the inquiry," a Meta spokesperson said. Investors appeared unfazed, with Meta shares up 0.5% on the day of the announcement.

However, the practical complications are significant. Manus employees had already joined Meta's AI team, and investors like Tencent and Hongshan Capital had already received their share of the deal proceeds. It remains unclear how the parties will actually "unwind" a transaction that has already been substantially integrated.

What Does This Mean for the Future of US-China AI Cooperation?

The Manus decision closes off yet another avenue for US-China engagement on AI, which has struggled to survive geopolitical pressures. Even academic research has become a casualty. In late March, NeurIPS, the premier conference for AI research, briefly banned submissions from Chinese companies under US sanctions, citing legal advice that accepting such research could violate US law. Chinese organizations reacted angrily, calling for a boycott, and NeurIPS quickly backtracked, blaming a miscommunication with its legal team.

The political temperature has risen further. When Senator Bernie Sanders hosted a discussion with both US and Chinese experts about international cooperation on AI safety, several US politicians and venture capitalists criticized the move. US Treasury Secretary Scott Bessent wrote on social media that accepting a non-US perspective on AI standards would be "like channeling Hugo Chavez to get advice on how to run our economy," adding that "the real threat to AI safety is letting any nation other than the United States set the global standard".

This hardening stance suggests that the Manus decision is not an isolated incident but rather a symptom of a broader decoupling. Both Washington and Beijing are now seeking to maintain control of strategic AI technologies and prevent them from leaking to the other side. The collateral damage includes reduced collaboration, slower scientific progress, and an increasingly fragmented global AI ecosystem where companies must choose sides rather than operate freely across borders.