HONG KONG (AP) — Chinese tech startup DeepSeek ’s new artificial intelligence chatbot has sparked discussions about the competition between China and the U.S. in AI development, with many users flocking to test the rival of OpenAI’s ChatGPT.

DeepSeek's user registrations were halted by a massive cyber attack on the same day its AI app became the most downloaded on Apple's iPhone store.

China’s DeepSeek has unveiled an AI model as advanced as Silicon Valley’s models but at a fraction of the cost. This has impacted global markets, raised concerns about AI regulation, and security risks,

The Chinese artificial intelligence firm DeepSeek has rattled markets with claims its latest AI model performs on a par with those of OpenAI, despite using less advanced, more energy efficient compute

Observers are eager to see whether the Chinese company has matched America's leading AI companies at a fraction of the cost.

DeepSeek's new AI model has sparked concerns about Nvidia's dominance in the AI hardware market, causing a drop in the chipmaker's stock and raising questions about the future of high-performance AI chips.

The app has overtaken ChatGPT to become the top free application on Apple's App Store in the UK.