DeepSeek has become the most downloaded free app in the US just a week after it was launched. So how does it compare to its much more established and apparently much more expensive US rivals, such as OpenAI's ChatGPT and Google's Gemini?

A recently released AI model called DeepSeek from a China-based startup is currently wreaking havoc on the tech space in the U.S. Why? Because it's blowing all other Big Tech models out of the water.

A new Chinese AI model, created by the Hangzhou-based startup DeepSeek, has stunned the American AI industry by outperforming some of OpenAI’s leading models, displacing ChatGPT at the top of the iOS app store,