Stocks tumbled after a Chinese AI startup said its models can compete with the likes of ChatGPT and other U.S.-based models ...

The Hangzhou-based startup says its model rivals the popular ChatGPT, from America's OpenAI network. DeepSeek was quick to displace ChatGPT as it shot to the top of Apple's App Store in the U.S ...

In just one week after its official launch, DeepSeek, the Chinese AI platform, has surpassed OpenAI’s ChatGPT in download rankings on the Apple App Store in the US, according to The Spectator Index.

The Hangzhou-based startup says its model rivals the popular ChatGPT, from America's OpenAI network. DeepSeek was quick to ...