Emboldened by Trump, A.I. Companies Lobby for Fewer Rules

After the president made A.I. dominance a top priority, tech companies changed course from a meeker approach under the Biden administration.

After DeepSeek, Venture Capital Investors Face Questions About Their A.I. Bets

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.

What is DeepSeek? And How Is It Upending A.I.?

How did a little-known Chinese start-up cause the markets and U.S. tech giants to quake? Here’s what to know.

Tech Industry and CEOs Curry Favor With Trump Ahead of His Inauguration 

It was a week of frenzied activity, as Silicon Valley billionaires and their companies brandished checks and compliments for the President-elect.

Microsoft and OpenAI’s Close Partnership Shows Signs of Fraying

The “best bromance in tech” has had a reality check as OpenAI has tried to change its deal with Microsoft and the software maker has tried to hedge its bet on the start-up.

Behind OpenAI’s Audacious Plan to Make A.I. Flow Like Electricity

Sam Altman, OpenAI’s chief executive, is talking to the United Arab Emirates, Asian chipmakers and U.S. officials to expand the computing power needed to build artificial intelligence.