Chinese startup DeepSeek's cheaper AI is sharpening investor scrutiny of the billions U.S. tech giants are pouring to develop ...

DeepSeek has restricted new sign-ups to users with mainland China phone numbers due to malicious attacks on its systems. The ...

DeepSeek has become the talk of the AI town, taking over OpenAI's ChatGPT in Apple's App Store as the #1 free app in Canada ...