Microsoft and OpenAI are reportedly investigating whether data from the artificial intelligence firm’s tech stack was improperly obtained by a group linked to Chinese AI startup DeepSeek. Microsoft security researchers detected suspicious large-scale data extraction through OpenAI’s application programming interface (API) in late 2024,

This comes after technology stocks tied to AI lost almost US$1 trillion in market value on Jan 28. Read more at straitstimes.com.

"There's substantial evidence that what DeepSeek did here is they distilled the knowledge out of OpenAI's models," Sacks said.

Microsoft's security researchers in the fall observed individuals they believe may be linked to DeepSeek exfiltrating a large amount of data using the OpenAI's application programming interface (API),

Microsoft and OpenAI are investigating whether data output from OpenAI’s technology was obtained in an unauthorized manner by a group linked to Chinese artificial intelligence startup DeepSeek, according to people familiar with the matter.

Donald Trump’s AI tsar has claimed there’s ‘substantial evidence’ that DeepSeek leaned on OpenAI’s models to develop its own technology.