We Can’t Stop China From Building Powerful A.I. Here’s What We Can Do.

Mr. Mallaby is the author of “The Infinity Machine.”

In 2022, the Biden administration tried to arrest China’s development of artificial intelligence by denying it cutting-edge semiconductors. President Trump has relaxed that policy a bit without a clear plan to replace it.

But the chip export controls have failed. China’s tech sector is too sophisticated to be stopped from building powerful A.I. In pursuing an impossible objective, the United States is missing an opportunity to try for one that sounds fanciful but which, after a recent reporting trip to China, I believe is more realistic: America should negotiate with China a global pact on A.I. safety, which would impose universal limits on a........

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