OpenAI makes second move toward RIA business with catch-and-kill of financial planning website, Hiro; artificial intelligence is powerful, and Sam Altman is the wildcard RIABizOpenAI has bought AI personal finance startup Hiro TechCrunchOpenAI acquires personal finance startup Hiro American BankerAcquisition count rises: Inside OpenAI’s major deals in 2026 The Economic TimesOpenAI Acquires AI Finance Startup Hiro for ChatGPT Expansion The Tech Buzz