Big Tech faces heat as China’s DeepSeek sows doubts on billion-dollar spending

Chinese startup DeepSeek‘s cheaper AI is sharpening investor scrutiny of the billions US tech giants are pouring to develop the technology and analysts say it will dominate this week’s much-awaited results from industry bellwethers. DeepSeek has claimed it took just two months and cost under $6 million to build an AI model using Nvidia‘s less-advanced H800 chips. An app powered by the V3 model became the top iPhone download in the US on Monday. The startup founded in 2023 has said its AI models either match or outperform top US rivals at a fraction…