(Bloomberg) — Venture capitalists have sunk more than $300 billion into US artificial intelligence startups in the past five years — a massive outlay that’s been called into question this week by the release of the new cheap and efficient model from Chinese AI company DeepSeek. Most Read from BloombergWhat Happened to Hanging Out on the Street?Texas HOA Charged With Discrimination for Banning Section 8 RentersVienna Embraces Heat Pumps to Ditch Russian GasBudapest Mayor Aims to Block Orban’s Pl