Key Takeaways Despite the success of a Chinese start-up's $6 million AI model, tech giants Microsoft, Alphabet, Amazon and Meta are unlikely to change their plans to spend hundreds of billions of dollars on AI infrastructure this year,

The startup has said its models either match or outperform rivals at a fraction of the cost, challenging the view that AI requires vast investment.

An artificial intelligence chatbot from Chinese tech startup DeepSeek has upended assumptions that U.S. tech giants hold a firm grip on AI development, leading to rattled investors and renewed security concerns.

Big Tech’s multi-billion dollar spending on artificial intelligence will be under investor scrutiny this week — even more so after China’s DeepSeek sent shockwaves through Wall Street and Silicon Valley with a cheap yet competitive AI model.