Chinese AI model takes US tech industry by surprise with abilities rivaling Claude and ChatGPT

Another powerful new artificial intelligence model from China took the U.S. tech industry by surprise Friday, the latest sign that Chinese startups that publicly release their "open-source" AI technology are making the California titans of AI sweat.

The newest Kimi K3 model from Beijing-based startup Moonshot, run by a Pink Floyd-loving entrepreneur who earned his doctorate in Pittsburgh, appears to be catching up to the best versions of Anthropic's Claude and OpenAI's ChatGPT.

"This may be the single biggest release of the year," and marks a moment when open-source Chinese models are surpassing closed U.S. models, said Anastasios Angelopoulos, co-founder and CEO of Arena, a platform for evaluating AI systems.

Kimi K3 topped the charts on Arena's ranking of what it calls "front-end coding capability," which is one measure of an AI large language model's performance. "More results are rolling in that are likely to continue to show it is at the top of the pack," Angelopoulos said on social media.

It was not likely a coincidence that K3's unveiling came shortly before Chinese President Xi Jinping's opening address Friday to the nation's annual World Artificial Intelligence Conference in Shanghai.

American-led restrictions have blocked China from accessing some of the world's most advanced technologies, spurring China's efforts to build its own know-how and intensifying the rivalry between the world's two biggest economies.