OpenAI has warned lawmakers that its Chinese rival DeepSeek is using unfair and increasingly sophisticated methods to extract ...

In a mere week, DeepSeek's R1 large language model has dethroned ChatGPT on the App Store, shaken up the stock market, and posed a serious threat to OpenAI and, by extension, U.S. dominance of the AI ...

OpenAI is examining whether Chinese artificial intelligence (AI) startup DeepSeek improperly obtained data from its models to build a popular new AI assistant, a spokesperson confirmed to The Hill.

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