The Chinese start-up used several technological tricks, including a method called “mixture of experts,” to significantly reduce the cost of building the technology.

Speaking in Paris at an artificial intelligence summit, the vice president gave an America First vision of the technology — with the U.S. dominating the chips, the software and the rules.

Other big technology companies have been boisterous in their courtship of the new administration. But Nvidia and Microsoft have avoided the Washington spotlight.

A new investment from the Japanese conglomerate would be separate from the $100 billion tied to a project announced at the White House last week.

Venture capitalists plowed money into A.I. start-ups like OpenAI and Anthropic. But the rise of the Chinese A.I. start-up DeepSeek has called that funding frenzy into question.

The tech industry has had an insatiable appetite for Nvidia’s chips over the last two years. But the feast may be over sooner than many had expected.

The company built a cheaper, competitive chatbot with fewer high-end computer chips than U.S. behemoths like Google and OpenAI, showing the limits of chip export control.

Jake Sullivan, the national security adviser, said in an interview that “we’ve just stuck with our theory, which is managed competition.” Trump and Xi Jinping might have other plans.

New rules aim to keep advanced technology out of China and to ensure that cutting-edge artificial intelligence is developed by the United States and its allies.

The tech industry is fighting new regulations, expected soon, that aim to keep the cutting-edge technology in the United States and allied countries.

The Biden administration’s approach to China has been full of contradictions.

Taiwan Semiconductor Manufacturing Company, a global tech giant, brought thousands of workers from Asia to the Phoenix suburbs for jobs at a plant that the Biden administration helped fund.

The older-style chips are crucial for a wide array of appliances and other machinery, including weaponry.