The tech giants vow to barrel ahead despite the jolt from China’s DeepSeek.

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

Key tech stocks were a mixed bag in early trading Thursday after executives at Meta and Microsoft said they plan to keep pouring billions of dollars into AI – despite lingering anxiety over the launch of China-based DeepSeek’s AI model.

Microsoft has made Chinese startup DeepSeek's R1 artificial intelligence model available on its Azure cloud computing platform and GitHub tool for developers, the U.S. company said on Wednesday.

Microsoft made DeepSeek's groundbreaking R1 AI model available on the Azure AI Foundry platform as well as GitHub.

Microsoft has tested Wall Street's patience by plunking down huge amounts of cash in pursuit of profits from AI that have yet to satisfy investors.

Microsoft on Wednesday forecast disappointing growth in its Azure cloud computing business, sending its shares down more than 5% as investors worry about big spending, elusive artificial intelligence revenue and growing competition from cheaper AI models from China.

Microsoft reported slower-than-expected growth in its crucial Azure cloud business on Wednesday despite beating estimates for overall quarterly revenue and increasing use of its cloud services for artificial intelligence.