U.S.WorldBusinessArtsLifestyleOpinionAudioGamesCookingWirecutterThe AthleticAdvertisementSKIP ADVERTISEMENTThe A.I. start-up’s valuation tripled in less than 10 months.Outside OpenAI’s offices in San Francisco. The company’s latest deal is another example of the Silicon Valley deal-making machine pumping money into a handful of companies that specialize in generative A.I.Credit...Jason Henry for The New York TimesFeb. 16, 2024Updated 6:06 p.m. ETOpenAI has completed a deal that values the San Fr...