Palantir, Nvidia building AI for US that has other nations fearing a ‘kill switch’

Palantir and Nvidia have built an air-gapped AI system that lets US agencies run frontier-grade models on American chips, keeping the weights and data fully in Washington’s control. Days later, Palantir’s “AI sovereignty” manifesto warned that depending on someone else’s AI means surrendering your future, a pitch that reads very differently for nations now weighing whether to run on a US-designed stack.