"Investing 'very heavily' in capital expenditure and infrastructure is going to be a strategic advantage over time," Mark Zuckerberg said.

In an apparent response to the attention on a new AI model out of China, Microsoft CEO Satya Nadella posted online

Chinese AI startup DeepSeek's model led to increased scrutiny on Microsoft's AI spending.

Sources at Open AI believe DeepSeek unlawfully distilled data from ChatGPT, Open AI and Microsoft begin investigation.

KEY TAKEAWAYS OpenAI said Wednesday that it is probing whether Chinese artificial intelligence startup DeepSeek improperly used its data to launch the low-cost model that spooked markets Monday.The comment by OpenAI follows a Bloomberg report that both OpenAI and its biggest backer Microsoft are investigating DeepSeek's model.

The start-up had become a key player in the “Chinese Large-Model Technology Avengers Team” that would counter US AI dominance, said another. China’s delight, however, spelled pain for several giant US technology companies as investors questioned whether DeepSeek’s breakthrough undermined the case for their colossal spending on AI infrastructure.