The United States may have kicked off the A.I. arms race, but a Chinese app is now shaking it up. R1, a chatbot from the startup DeepSeek, is sitting pretty at the top of the Apple and Google app stores,

Microsoft’s Copilot chatbot is rolling out the ‘Think Deeper’ feature to all users, including free accounts. It allows Copilot to handle more complex questions, like DeepSeek or ChatGPT’s o1 model. Microsoft AI CEO Mustafa Suleyman announced on LinkedIn that Copilot’s Think Deeper feature is now available for free,

A medical AI chatbot is not exactly news, but the way Microsoft intends to develop one certainly is. Hint: it could replace nurses.

Microsoft is trying to make users use Copilot more by removing a popular and helpful dictionary feature in Microsoft Word.

Microsoft Corp. said Wednesday that its profit for the October-December quarter grew 10% from the same time last year as it works to capitalize on the huge amounts of money it has spent to advance its artificial intelligence technology.

Financial services company Virgin Money was forced to apologize after its AI-powered chatbot threatened to cut off bank customers who use the word "virgin."

Did the upstart Chinese tech company DeepSeek copy ChatGPT to make the artificial intelligence technology that shook Wall Street this week?

Microsoft boss Satya Nadella (pictured) hailed the AI revolution as a 'massive opportunity' as he doubled down in the face of a market backlash.

The chatbot from China appears to perform a number of tasks as well as its American competitors do, but it censors topics such as Tiananmen Square.

Markets are looking for assurances that DeepSeek hasn't completely disrupted the AI investment thesis. They may be disappointed.

Microsoft is improving the consumer version of its Copilot assistant by making its "Think Deeper” feature free to use for all users.

The Chinese app has already hit the chipmaker giant Nvidia’s share price, but its true potential could upend the whole AI business model.