Two governments building the same wall
Washington loosened its chip rules in January. Beijing is now considering restricting exports of models, training data and access to foreign fabrication. Both sides are building, and they are building the same thing.
The symmetry is the story
For three years the frame was one country restricting and the other trying to obtain. What is emerging instead is two states each deciding its AI stack is a strategic asset requiring export control — which produces a partition rather than a blockade, with different rules on each side and a widening gap in the middle.
Each is also now doing the thing the other's rhetoric said only they would do. American loosening and Chinese tightening in the same year complicates the standard narrative in both capitals, and the narratives have not caught up.
Training data is the novel instrument
The Chinese list under consideration reaches past chips into models, training data, and overseas acquisition of strategically important technology companies. Controlling training data in particular has no established enforcement precedent anywhere, and it is not obvious what enforcement would even look like for an asset that copies perfectly and travels invisibly.
Enforcement is where all of this actually lives
Congressional research and independent analysis agree that smuggling is widespread and third countries function as grey-market routes. This is the structural weakness of any list-based export regime: the rule restricts a destination, the market routes around the destination.
Chips are worse than most controlled goods for this. Small, extraordinarily valuable per kilogram, and functionally identical once racked whether they arrived legitimately or not. There is no field test that distinguishes a smuggled accelerator from a licensed one.
Which points at the real control surface
Compute delivered as a service is far easier to attribute and revoke than compute delivered as hardware. You can identify the account, meter the usage, and switch it off. You cannot do any of that to a box in a building you cannot see.
That is a large part of why service-level restrictions keep reappearing in proposals, and it is the direction this regime will drift regardless of what either government currently says about chips.
Mayer Brown — Administration policies on advanced AI chips codified → · Congressional Research Service — U.S. export controls and China: advanced semiconductors → · Yahoo Finance — China considers tighter export controls on AI models and chips, FT reports →