Microsoft Corp. has invested nearly $14 billion in OpenAI, the massively-valued developer of ChatGPT, but the company last week said that DeepSeek R1, an open-source AI model, was available on its ...

DeepSeek last week shook markets with its promises of lower-cost, lower-energy artificial intelligence that could go ...

What especially shook investors was the prospect that China may have closed the tech gap with the United States in AI and especially DeepSeek’s claim that it developed R1 for just $5.6 million—a far ...

OpenAI launched a new artificial intelligence (AI) tool on Sunday called "deep research", which it said conducts multi-step ...